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  "observation_id": 1066,
  "peptide": "AAFNSGKVDIV",
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  "protein_accession": "P04406",
  "protein_name": "Glyceraldehyde-3-phosphate dehydrogenase",
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  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
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 {
  "observation_id": 873,
  "peptide": "AGAHLQGGAKR",
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  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
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 {
  "observation_id": 875,
  "peptide": "ALDDMISTLK",
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  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
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 {
  "observation_id": 876,
  "peptide": "ALLLLCGEDD",
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  "protein_accession": "P08758",
  "protein_name": "Annexin A5",
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  "tissue": "Breast",
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  "condition": "Breast tumour",
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 {
  "observation_id": 1069,
  "peptide": "ALSTGEKGFGYK",
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  "protein_name": "Peptidyl-prolyl cis-trans isomerase A",
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  "theoretical_mz": 1257.64738,
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  "tissue": "Breast",
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 {
  "observation_id": 1070,
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  "protein_accession": "Q9BR76",
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 {
  "observation_id": 1071,
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 {
  "observation_id": 877,
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  "tissue": "Breast",
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 {
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  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
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 {
  "observation_id": 880,
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  "taxon_id": 9606,
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  "uberon_id": "UBERON:0000310",
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 {
  "observation_id": 881,
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  "tissue": "Breast",
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  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
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 {
  "observation_id": 882,
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 {
  "observation_id": 1299,
  "peptide": "APQTQHVSPMR",
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 {
  "observation_id": 689,
  "peptide": "AQEEYVKR",
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 {
  "observation_id": 883,
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 {
  "observation_id": 1073,
  "peptide": "ARPAEVGGMQLR",
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 {
  "observation_id": 1037,
  "peptide": "ASCTTNCLAPLAK",
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 {
  "observation_id": 1360,
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  "observation_id": 1075,
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 {
  "observation_id": 1076,
  "peptide": "ATSSSSGSLSATGR",
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  "observation_id": 888,
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  "taxon_id": 9606,
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  "species": "Homo sapiens",
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  "uberon_id": "UBERON:0000310",
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  "observation_id": 1085,
  "peptide": "DNLAEDIMR",
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  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
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  "observation_id": 890,
  "peptide": "DQITAGNAAR",
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  "protein_accession": "P22234",
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  "ppm_error": -0.06,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
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  "observation_id": 891,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
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  "observation_id": 893,
  "peptide": "DSYVGDEAQSKR",
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  "protein_accession": "P60709",
  "protein_name": "Actin, cytoplasmic 1",
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
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  "status": "approved",
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  "observation_id": 894,
  "peptide": "DSYVGDEAQSKR",
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  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
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 {
  "observation_id": 1088,
  "peptide": "DYGVLLEGSGLALR",
  "proforma": "DYGVLLEGSGLALR",
  "protein_accession": "P30048",
  "protein_name": "Thioredoxin-dependent peroxide reductase, mitochondrial",
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  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
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 {
  "observation_id": 897,
  "peptide": "EAIEGTYIDKK",
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  "protein_accession": "P62280",
  "protein_name": "Small ribosomal subunit protein uS17",
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  "species": "Homo sapiens",
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  "doi": "10.1021/ac504503x",
  "status": "approved",
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 {
  "observation_id": 899,
  "peptide": "EFQLFSSPHGK",
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  "protein_accession": "P02787",
  "protein_name": "Serotransferrin",
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
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  "doi": "10.1021/ac504503x",
  "status": "approved",
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 {
  "observation_id": 900,
  "peptide": "EGDLIAAQAR",
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  "protein_accession": "P02545",
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
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  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
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 {
  "observation_id": 1091,
  "peptide": "EGELTVAQGR",
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  "protein_accession": "Q03252",
  "protein_name": "Lamin-B2",
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
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 {
  "observation_id": 1092,
  "peptide": "ELPPDQAEYCIAR",
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  "protein_accession": "P12814",
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
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  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
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 {
  "observation_id": 1094,
  "peptide": "EQEITAVQAR",
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  "protein_name": "Ribosome-binding protein 1",
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
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 {
  "observation_id": 901,
  "peptide": "ETIEQEKQAGES",
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  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
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  "observation_id": 1096,
  "peptide": "FDAMPFTLR",
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
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  "observation_id": 902,
  "peptide": "FDGILGMAYPR",
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  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
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  "observation_id": 1340,
  "peptide": "FPSIVGRPR",
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  "protein_accession": "P60709",
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  "theoretical_mz": 1028.59997,
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  "tissue": "Breast",
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  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
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  "observation_id": 1341,
  "peptide": "FPSIVGRPR",
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  "observation_id": 1342,
  "peptide": "FPSIVGRPR",
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  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
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  "observation_id": 1101,
  "peptide": "FRTEAAAAAPQR",
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  "condition": "Breast tumour",
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  "observation_id": 1102,
  "peptide": "FRYLMGER",
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  "observation_id": 1103,
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  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
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  "observation_id": 905,
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  "observation_id": 906,
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  "doi": "10.1021/ac504503x",
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  "observation_id": 1104,
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  "observation_id": 1106,
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  "species": "Homo sapiens",
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  "observation_id": 1107,
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  "species": "Homo sapiens",
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  "observation_id": 1108,
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  "species": "Homo sapiens",
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  "observation_id": 1109,
  "peptide": "GGAEGELQALR",
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  "species": "Homo sapiens",
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  "condition": "Breast tumour",
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  "observation_id": 1282,
  "peptide": "GIHETTFNSIMK",
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
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  "status": "approved",
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  "observation_id": 1283,
  "peptide": "GIHETTFNSIMK",
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  "observation_id": 1284,
  "peptide": "GIHETTFNSIMK",
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  "species": "Homo sapiens",
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  "uberon_id": "UBERON:0000310",
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  "doi": "10.1021/ac504503x",
  "status": "approved",
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  "observation_id": 1112,
  "peptide": "GLFIIDGKGVLR",
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  "theoretical_mz": 1287.77833,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 1114,
  "peptide": "GMDKLIVDGR",
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  "protein_accession": "Q99832",
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  "adduct": "H",
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  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 1115,
  "peptide": "GMGPGTPAGYGR",
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  "protein_accession": "P23246",
  "protein_name": "Splicing factor, proline- and glutamine-rich",
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  "adduct": "H",
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  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 1117,
  "peptide": "GNDVAFHFNPR",
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  "protein_accession": "P17931",
  "protein_name": "Galectin-3",
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  "adduct": "H",
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
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  "observation_id": 1118,
  "peptide": "GNLGAGNGNLQGPR",
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  "protein_accession": "P43243",
  "protein_name": "Matrin-3",
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  "charge": 1,
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  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
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  "observation_id": 910,
  "peptide": "GPLMMYISK",
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  "protein_accession": "P13639",
  "protein_name": "Elongation factor 2",
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  "adduct": "H",
  "theoretical_mz": 1039.53149,
  "ppm_error": -0.04,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 1122,
  "peptide": "GQGSSPVAMQK",
  "proforma": "GQGSSPVAMQK",
  "protein_accession": "P18206",
  "protein_name": "Vinculin",
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  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1089.53572,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 1123,
  "peptide": "GQGSSPVAMQK",
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  "protein_accession": "P18206",
  "protein_name": "Vinculin",
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  "uberon_id": "UBERON:0000310",
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  "doi": "10.1021/ac504503x",
  "status": "approved",
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 {
  "observation_id": 1125,
  "peptide": "GTGIVSAPVPK",
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  "protein_name": "Small ribosomal subunit protein uS5",
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  "doi": "10.1021/ac504503x",
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  "observation_id": 1127,
  "peptide": "HGESAWNLENR",
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  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 1132,
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  "proforma": "HQGVM[Oxidation]VGMGQK",
  "protein_accession": "P60709",
  "protein_name": "Actin, cytoplasmic 1",
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  "doi": "10.1021/ac504503x",
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  "observation_id": 1133,
  "peptide": "HQGVMVGMGQK",
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  "tissue": "Breast",
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  "doi": "10.1021/ac504503x",
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  "observation_id": 1134,
  "peptide": "HQGVMVGMGQK",
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  "doi": "10.1021/ac504503x",
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  "observation_id": 911,
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  "doi": "10.1021/ac504503x",
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  "observation_id": 1136,
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  "doi": "10.1021/ac504503x",
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  "observation_id": 912,
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  "observation_id": 913,
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  "doi": "10.1021/ac504503x",
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  "observation_id": 914,
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  "doi": "10.1021/ac504503x",
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  "observation_id": 915,
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  "observation_id": 1137,
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  "observation_id": 918,
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  "observation_id": 1138,
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  "observation_id": 922,
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  "observation_id": 924,
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  "observation_id": 925,
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  "observation_id": 1141,
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  "observation_id": 1143,
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  "observation_id": 1145,
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  "observation_id": 907,
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  "species": "Homo sapiens",
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  "doi": "10.1021/ac504503x",
  "status": "review",
  "flags": "mass_mismatch"
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  "observation_id": 927,
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  "species": "Homo sapiens",
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  "observation_id": 1146,
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  "species": "Homo sapiens",
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  "observation_id": 928,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
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  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
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  "observation_id": 1147,
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  "protein_name": "Keratin, type II cytoskeletal 8",
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
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  "observation_id": 1148,
  "peptide": "KLLEGEESR",
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  "protein_accession": "P17661",
  "protein_name": "Desmin",
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
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  "observation_id": 1149,
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  "protein_accession": "P41219",
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
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  "doi": "10.1021/ac504503x",
  "status": "approved",
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  "observation_id": 794,
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  "protein_accession": "P62899",
  "protein_name": "Large ribosomal subunit protein eL31",
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  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1273.63827,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 966,
  "peptide": "KSIYYITGESKEKEQVANSAFVERV",
  "proforma": "KSIYYITGESKEKEQVANSAFVERV",
  "protein_accession": "P08238",
  "protein_name": "Heat shock protein HSP 90-beta",
  "measured_mz": 1249.61708,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 2875.48361,
  "ppm_error": -565423.68,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "review",
  "flags": "mass_mismatch;not_in_protein"
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 {
  "observation_id": 1151,
  "peptide": "KTFSHELSDFGLESTAGEIPVVAIR",
  "proforma": "KTFSHELSDFGLESTAGEIPVVAIR",
  "protein_accession": "P30101",
  "protein_name": "Protein disulfide-isomerase A3",
  "measured_mz": 2703.39869,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 2703.39882,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1152,
  "peptide": "KVACIGAWHPAR",
  "proforma": "KVACIGAWHPAR",
  "protein_accession": "Q92901",
  "protein_name": "Ribosomal protein uL3-like",
  "measured_mz": 1308.69931,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1308.69937,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1153,
  "peptide": "LADALQELR",
  "proforma": "LADALQELR",
  "protein_accession": "P02545",
  "protein_name": "Prelamin-A/C",
  "measured_mz": 1028.57343,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1028.57349,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1154,
  "peptide": "LAGDKANYWWLR",
  "proforma": "LAGDKANYWWLR",
  "protein_accession": "P31939",
  "protein_name": "Bifunctional purine biosynthesis protein ATIC",
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  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1492.76956,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1155,
  "peptide": "LAGLFNEQR",
  "proforma": "LAGLFNEQR",
  "protein_accession": "Q9Y4L1",
  "protein_name": "Hypoxia up-regulated protein 1",
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  "adduct": "H",
  "theoretical_mz": 1047.55817,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1164,
  "peptide": "LFVGNLPADITEDEFKRLFAK",
  "proforma": "LFVGNLPADITEDEFKRLFAK",
  "protein_accession": "P23246",
  "protein_name": "Splicing factor, proline- and glutamine-rich",
  "measured_mz": 2423.29681,
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  "adduct": "H",
  "theoretical_mz": 2423.29692,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 942,
  "peptide": "LGIHEDSTNR",
  "proforma": "LGIHEDSTNR",
  "protein_accession": "P08238",
  "protein_name": "Heat shock protein HSP 90-beta",
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  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1141.55963,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1172,
  "peptide": "LLVVYPWTQR",
  "proforma": "LLVVYPWTQR",
  "protein_accession": "P69892",
  "protein_name": "Hemoglobin subunit gamma-2",
  "measured_mz": 1274.8811,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1274.72557,
  "ppm_error": 122.01,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/pr3003672",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 944,
  "peptide": "LLYNNVSNFGR",
  "proforma": "LLYNNVSNFGR",
  "protein_accession": "Q00610",
  "protein_name": "Clathrin heavy chain 1",
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  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1296.66951,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1173,
  "peptide": "LNDFASTVR",
  "proforma": "LNDFASTVR",
  "protein_accession": "P20674",
  "protein_name": "Cytochrome c oxidase subunit 5A, mitochondrial",
  "measured_mz": 1022.52648,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1022.52654,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1175,
  "peptide": "LQLEACETR",
  "proforma": "LQLEACETR",
  "protein_accession": "Q15149",
  "protein_name": "Plectin",
  "measured_mz": 1062.52477,
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  "adduct": "H",
  "theoretical_mz": 1062.52482,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 946,
  "peptide": "LQSSEAEVR",
  "proforma": "LQSSEAEVR",
  "protein_accession": "Q9P2E9",
  "protein_name": "Ribosome-binding protein 1",
  "measured_mz": 1018.51631,
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  "adduct": "H",
  "theoretical_mz": 1018.51636,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1176,
  "peptide": "LSEHATAPTR",
  "proforma": "LSEHATAPTR",
  "protein_accession": "P33316",
  "protein_name": "Deoxyuridine 5'-triphosphate nucleotidohydrolase, mitochondrial",
  "measured_mz": 1082.55884,
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  "adduct": "H",
  "theoretical_mz": 1082.5589,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1177,
  "peptide": "LSVAAQEAAR",
  "proforma": "LSVAAQEAAR",
  "protein_accession": "Q15149",
  "protein_name": "Plectin",
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  "theoretical_mz": 1015.55308,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 1182,
  "peptide": "MAGLKVLQLINDNTATALSYGVFR",
  "proforma": "MAGLKVLQLINDNTATALSYGVFR",
  "protein_accession": "Q9Y4L1",
  "protein_name": "Hypoxia up-regulated protein 1",
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  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 2595.39632,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 949,
  "peptide": "MALDIEIATYR",
  "proforma": "MALDIEIATYR",
  "protein_accession": "P08670",
  "protein_name": "Vimentin",
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  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1295.6664,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 950,
  "peptide": "MALDIEIATYR",
  "proforma": "MALDIEIATYR",
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 951,
  "peptide": "MALDIEIATYRK",
  "proforma": "MALDIEIATYRK",
  "protein_accession": "P08670",
  "protein_name": "Vimentin",
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  "theoretical_mz": 1423.76136,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 952,
  "peptide": "MALDIEIATYRK",
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  "protein_name": "Peripherin",
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 865,
  "peptide": "MENANVLAR",
  "proforma": "MENANVLAR",
  "protein_accession": "P04075",
  "protein_name": "Fructose-bisphosphate aldolase A",
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  "adduct": "H",
  "theoretical_mz": 1017.51459,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1181,
  "peptide": "MFGGPGTASRPSSS",
  "proforma": "M[Oxidation]FGGPGTASRPSSS",
  "protein_accession": "P08670",
  "protein_name": "Vimentin",
  "measured_mz": 1354.60551,
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  "theoretical_mz": 1354.60559,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 1183,
  "peptide": "MLDMGFEPQIR",
  "proforma": "MLDMGFEPQIR",
  "protein_accession": "Q92841",
  "protein_name": "Probable ATP-dependent RNA helicase DDX17",
  "measured_mz": 1336.63874,
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  "theoretical_mz": 1336.63881,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 954,
  "peptide": "MLGQMTDQVADLR",
  "proforma": "MLGQMTDQVADLR",
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  "protein_name": "Vinculin",
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  "adduct": "H",
  "theoretical_mz": 1477.71376,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 955,
  "peptide": "MLGQMTDQVADLR",
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  "protein_name": "Vinculin",
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  "theoretical_mz": 1477.71376,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 795,
  "peptide": "MPGFAPLTSR",
  "proforma": "MPGFAPLTSR",
  "protein_accession": "Q13885",
  "protein_name": "Tubulin beta-2A chain",
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  "adduct": "H",
  "theoretical_mz": 1076.55573,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1184,
  "peptide": "NDEELNKLLGK",
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  "protein_name": "Histone H2A type 1",
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  "adduct": "H",
  "theoretical_mz": 1272.67941,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 957,
  "peptide": "NLGIGKVSSFEEK",
  "proforma": "NLGIGKVSSFEEK",
  "protein_accession": "P40926",
  "protein_name": "Malate dehydrogenase, mitochondrial",
  "measured_mz": 1407.74775,
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  "adduct": "H",
  "theoretical_mz": 1407.74782,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1186,
  "peptide": "NLLTAAADAIER",
  "proforma": "NLLTAAADAIER",
  "protein_accession": "P33897",
  "protein_name": "ATP-binding cassette sub-family D member 1",
  "measured_mz": 1257.67968,
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  "adduct": "H",
  "theoretical_mz": 1257.67974,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 958,
  "peptide": "NLQEAEEWYK",
  "proforma": "NLQEAEEWYK",
  "protein_accession": "P08670",
  "protein_name": "Vimentin",
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  "theoretical_mz": 1309.60591,
  "ppm_error": -0.04,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 959,
  "peptide": "NLQEAEEWYK",
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  "protein_accession": "P41219",
  "protein_name": "Peripherin",
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  "theoretical_mz": 1309.60591,
  "ppm_error": -0.04,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 960,
  "peptide": "NLQTVNVDEN",
  "proforma": "NLQTVNVDEN",
  "protein_accession": "P62899",
  "protein_name": "Large ribosomal subunit protein eL31",
  "measured_mz": 1145.54325,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1145.54331,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 961,
  "peptide": "NQKDPGVLDR",
  "proforma": "NQKDPGVLDR",
  "protein_accession": "P31949",
  "protein_name": "Protein S100-A11",
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  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1141.59601,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1194,
  "peptide": "QDVDNASLAR",
  "proforma": "QDVDNASLAR",
  "protein_accession": "P08670",
  "protein_name": "Vimentin",
  "measured_mz": 1088.53302,
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  "theoretical_mz": 1088.53308,
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  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1197,
  "peptide": "QLAEAHAQAK",
  "proforma": "QLAEAHAQAK",
  "protein_accession": "Q15149",
  "protein_name": "Plectin",
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  "theoretical_mz": 1066.56398,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1198,
  "peptide": "QLAEGTAQQR",
  "proforma": "QLAEGTAQQR",
  "protein_accession": "Q15149",
  "protein_name": "Plectin",
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  "theoretical_mz": 1101.56471,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1205,
  "peptide": "QQYESVAAK",
  "proforma": "QQYESVAAK",
  "protein_accession": "P08670",
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  "theoretical_mz": 1023.51055,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1208,
  "peptide": "QTMLFSATQTR",
  "proforma": "QTMLFSATQTR",
  "protein_accession": "Q9NVP1",
  "protein_name": "ATP-dependent RNA helicase DDX18",
  "measured_mz": 1283.64118,
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  "theoretical_mz": 1283.64125,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1209,
  "peptide": "QVDQLTNDKAR",
  "proforma": "QVDQLTNDKAR",
  "protein_accession": "P08670",
  "protein_name": "Vimentin",
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  "theoretical_mz": 1287.66515,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1210,
  "peptide": "QVEVLTNQR",
  "proforma": "QVEVLTNQR",
  "protein_accession": "P17661",
  "protein_name": "Desmin",
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  "theoretical_mz": 1086.5902,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1211,
  "peptide": "RCLYASVLTAQPR",
  "proforma": "RCLYASVLTAQPR",
  "protein_accession": "P13639",
  "protein_name": "Elongation factor 2",
  "measured_mz": 1477.79432,
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  "adduct": "H",
  "theoretical_mz": 1477.79439,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1212,
  "peptide": "RDQALTEEHAR",
  "proforma": "RDQALTEEHAR",
  "protein_accession": "P12814",
  "protein_name": "Alpha-actinin-1",
  "measured_mz": 1325.65558,
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  "adduct": "H",
  "theoretical_mz": 1325.65565,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1213,
  "peptide": "RFDAMPFTLR",
  "proforma": "RFDAMPFTLR",
  "protein_accession": "Q9UQ80",
  "protein_name": "Proliferation-associated protein 2G4",
  "measured_mz": 1253.64588,
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  "adduct": "H",
  "theoretical_mz": 1253.64594,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1216,
  "peptide": "RIPLAEWESR",
  "proforma": "RIPLAEWESR",
  "protein_accession": "P31930",
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  "measured_mz": 1256.67453,
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  "theoretical_mz": 1256.6746,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1217,
  "peptide": "RPDQQLQGEGK",
  "proforma": "RPDQQLQGEGK",
  "protein_accession": "Q8NC51",
  "protein_name": "SERPINE1 mRNA-binding protein 1",
  "measured_mz": 1255.63887,
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  "theoretical_mz": 1255.63894,
  "ppm_error": -0.06,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 1292,
  "peptide": "RSYTSGPGSR",
  "proforma": "RSYTSGPGSR",
  "protein_accession": "P05787",
  "protein_name": "Keratin, type II cytoskeletal 8",
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  "theoretical_mz": 1067.52285,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1293,
  "peptide": "RSYVTTSTR",
  "proforma": "RSYVTTSTR",
  "protein_accession": "P08670",
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  "theoretical_mz": 1070.5589,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 963,
  "peptide": "SAAQAAAQTNSNAAGK",
  "proforma": "SAAQAAAQTNSNAAGK",
  "protein_accession": "Q8NC51",
  "protein_name": "SERPINE1 mRNA-binding protein 1",
  "measured_mz": 1460.70873,
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  "theoretical_mz": 1460.70881,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 964,
  "peptide": "SAVTTVVNPK",
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  "protein_accession": "P05556",
  "protein_name": "Integrin beta-1",
  "measured_mz": 1015.57818,
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  "theoretical_mz": 1015.57824,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1221,
  "peptide": "SDEGQLSPATR",
  "proforma": "SDEGQLSPATR",
  "protein_accession": "Q15149",
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  "theoretical_mz": 1160.55421,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1222,
  "peptide": "SEIDLFNIR",
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  "protein_accession": "P08758",
  "protein_name": "Annexin A5",
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  "theoretical_mz": 1106.58405,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1223,
  "peptide": "SFAGNLNTYKR",
  "proforma": "SFAGNLNTYKR",
  "protein_accession": "Q01813",
  "protein_name": "ATP-dependent 6-phosphofructokinase, platelet type",
  "measured_mz": 1270.6538,
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  "theoretical_mz": 1270.65386,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 1355,
  "peptide": "SFELFADKVPK",
  "proforma": "SFELFADKVPK",
  "protein_accession": "P62937",
  "protein_name": "Peptidyl-prolyl cis-trans isomerase A",
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  "theoretical_mz": 1280.68852,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 965,
  "peptide": "SFQQSSLSR",
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  "protein_accession": "P43243",
  "protein_name": "Matrin-3",
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  "theoretical_mz": 1039.5167,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 1225,
  "peptide": "SGAQASSTPLSPTR",
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  "protein_name": "Prelamin-A/C",
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  "theoretical_mz": 1359.68628,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 1016,
  "peptide": "SGGTTMYPGIADR",
  "proforma": "SGGTTMYPGIADR",
  "protein_accession": "P60709",
  "protein_name": "Actin, cytoplasmic 1",
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  "theoretical_mz": 1325.61543,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 1017,
  "peptide": "SGGTTMYPGIADR",
  "proforma": "SGGTTMYPGIADR",
  "protein_accession": "P63261",
  "protein_name": "Actin, cytoplasmic 2",
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  "theoretical_mz": 1325.61543,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 1227,
  "peptide": "SGGYSSGKQGR",
  "proforma": "SGGYSSGKQGR",
  "protein_accession": "Q15084",
  "protein_name": "Protein disulfide-isomerase A6",
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  "theoretical_mz": 1083.51776,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 1356,
  "peptide": "SGKDYNVTANSK",
  "proforma": "SGKDYNVTANSK",
  "protein_accession": "P00338",
  "protein_name": "L-lactate dehydrogenase A chain",
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  "adduct": "H",
  "theoretical_mz": 1283.62262,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 1228,
  "peptide": "SGKKLEDGPK",
  "proforma": "SGKKLEDGPK",
  "protein_accession": "P68104",
  "protein_name": "Elongation factor 1-alpha 1",
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  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1058.58405,
  "ppm_error": -0.06,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 1229,
  "peptide": "SGMFWLRF",
  "proforma": "SGMFWLRF",
  "protein_accession": "P31930",
  "protein_name": "Cytochrome b-c1 complex subunit 1, mitochondrial",
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  "adduct": "H",
  "theoretical_mz": 1043.51313,
  "ppm_error": -0.04,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 967,
  "peptide": "SKEFQLFSSPHGK",
  "proforma": "SKEFQLFSSPHGK",
  "protein_accession": "P02787",
  "protein_name": "Serotransferrin",
  "measured_mz": 1491.75898,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1491.75905,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 968,
  "peptide": "SLAAEEEAAR",
  "proforma": "SLAAEEEAAR",
  "protein_accession": "Q15149",
  "protein_name": "Plectin",
  "measured_mz": 1046.51123,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1046.51128,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1233,
  "peptide": "SLTATGGNHVTAR",
  "proforma": "SLTATGGNHVTAR",
  "protein_accession": "Q14315",
  "protein_name": "Filamin-C",
  "measured_mz": 1284.66542,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1284.66549,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 969,
  "peptide": "SLVSVTKEGLELPEDEEEKKKMEESK",
  "proforma": "SLVSVTKEGLELPEDEEEKKKMEESK",
  "protein_accession": "P08238",
  "protein_name": "Heat shock protein HSP 90-beta",
  "measured_mz": 2991.50769,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 2991.50784,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1234,
  "peptide": "SLYASSPGGVY",
  "proforma": "SLYASSPGGVY",
  "protein_accession": "P08670",
  "protein_name": "Vimentin",
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  "theoretical_mz": 1100.52587,
  "ppm_error": -0.04,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1236,
  "peptide": "SNAQRQEISAAFK",
  "proforma": "SNAQRQEISAAFK",
  "protein_accession": "P08758",
  "protein_name": "Annexin A5",
  "measured_mz": 1449.74439,
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  "adduct": "H",
  "theoretical_mz": 1449.74447,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 970,
  "peptide": "SNYNLPMHK",
  "proforma": "SNYNLPMHK",
  "protein_accession": "P36578",
  "protein_name": "Large ribosomal subunit protein uL4",
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  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1103.53024,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1294,
  "peptide": "SPGGVYATRSS",
  "proforma": "SPGGVYATRSS",
  "protein_accession": "P08670",
  "protein_name": "Vimentin",
  "measured_mz": 1081.52721,
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  "adduct": "H",
  "theoretical_mz": 1081.52726,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1242,
  "peptide": "SSLGSHQLPR",
  "proforma": "SSLGSHQLPR",
  "protein_accession": "O95817",
  "protein_name": "BAG family molecular chaperone regulator 3",
  "measured_mz": 1081.57483,
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  "adduct": "H",
  "theoretical_mz": 1081.57488,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 971,
  "peptide": "STTTGHLIYK",
  "proforma": "STTTGHLIYK",
  "protein_accession": "P68104",
  "protein_name": "Elongation factor 1-alpha 1",
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  "theoretical_mz": 1120.5997,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1244,
  "peptide": "STVDAPTAAGR",
  "proforma": "STVDAPTAAGR",
  "protein_accession": "Q99832",
  "protein_name": "T-complex protein 1 subunit eta",
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  "theoretical_mz": 1045.52726,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 972,
  "peptide": "SVVTGGVQSVMGSR",
  "proforma": "SVVTGGVQSVMGSR",
  "protein_accession": "O60664",
  "protein_name": "Perilipin-3",
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  "theoretical_mz": 1363.69983,
  "ppm_error": -0.06,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 974,
  "peptide": "SYKVSTSGPR",
  "proforma": "SYKVSTSGPR",
  "protein_accession": "P05787",
  "protein_name": "Keratin, type II cytoskeletal 8",
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  "theoretical_mz": 1081.56365,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
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 {
  "observation_id": 1018,
  "peptide": "SYNTASNKTR",
  "proforma": "SYNTASNKTR",
  "protein_accession": "P49207",
  "protein_name": "Large ribosomal subunit protein eL34",
  "measured_mz": 1141.55957,
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  "theoretical_mz": 1141.55963,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1178,
  "peptide": "SYNTASNKTR",
  "proforma": "SYNTASNKTR",
  "protein_accession": "P49207",
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  "theoretical_mz": 1141.55963,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1245,
  "peptide": "TALINSTGEEVAMR",
  "proforma": "TALINSTGEEVAMR",
  "protein_accession": "P02545",
  "protein_name": "Prelamin-A/C",
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  "theoretical_mz": 1491.74717,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
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 {
  "observation_id": 1246,
  "peptide": "TAQEVETYRR",
  "proforma": "TAQEVETYRR",
  "protein_accession": "P17844",
  "protein_name": "Probable ATP-dependent RNA helicase DDX5",
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  "theoretical_mz": 1252.62804,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
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 {
  "observation_id": 975,
  "peptide": "TASTNNIAQAR",
  "proforma": "TASTNNIAQAR",
  "protein_accession": "Q9UBI6",
  "protein_name": "Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-12",
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  "theoretical_mz": 1146.58618,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
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 {
  "observation_id": 976,
  "peptide": "TAVCDIPPRGLK",
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  "theoretical_mz": 1269.69837,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
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 {
  "observation_id": 1019,
  "peptide": "TEAPLNPKANREK",
  "proforma": "TEAPLNPKANREK",
  "protein_accession": "P60709",
  "protein_name": "Actin, cytoplasmic 1",
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  "theoretical_mz": 1467.79142,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
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  "observation_id": 1020,
  "peptide": "TEAPLNPKANREK",
  "proforma": "TEAPLNPKANREK",
  "protein_accession": "P63261",
  "protein_name": "Actin, cytoplasmic 2",
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  "theoretical_mz": 1467.79142,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
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  "observation_id": 1021,
  "peptide": "TEAPLNPKANREK",
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  "protein_accession": "Q9BYX7",
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  "tissue": "Breast",
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  "doi": "10.1021/ac504503x",
  "status": "approved",
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  "observation_id": 977,
  "peptide": "TGQIKEVER",
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  "protein_accession": "Q00610",
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
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  "observation_id": 978,
  "peptide": "THILLFLPK",
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  "protein_accession": "P07237",
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  "theoretical_mz": 1081.67683,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
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  "observation_id": 979,
  "peptide": "TKEVYELLDSPGK",
  "proforma": "TKEVYELLDSPGK",
  "protein_accession": "P22234",
  "protein_name": "Bifunctional phosphoribosylaminoimidazole carboxylase/phosphoribosylaminoimidazole succinocarboxamide synthetase",
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  "theoretical_mz": 1478.7737,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1252,
  "peptide": "TLIQNCGASTIR",
  "proforma": "TLIQNCGASTIR",
  "protein_accession": "P49368",
  "protein_name": "T-complex protein 1 subunit gamma",
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  "theoretical_mz": 1276.6678,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
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 {
  "observation_id": 1253,
  "peptide": "TLKLTTPTYGDLNHLVSATMSGVTTCLR",
  "proforma": "TLKLTTPTYGDLNHLVSATMSGVTTCLR",
  "protein_accession": "Q13885",
  "protein_name": "Tubulin beta-2A chain",
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  "theoretical_mz": 2993.54345,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1254,
  "peptide": "TLLIKTVETRDGQVINETSQHHDDLE",
  "proforma": "TLLIKTVETRDGQVINETSQHHDDLE",
  "protein_accession": "P08670",
  "protein_name": "Vimentin",
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  "theoretical_mz": 2991.50178,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 980,
  "peptide": "TLVDIAKSQDAEVGDGTTSVTLLAAEFLK",
  "proforma": "TLVDIAKSQDAEVGDGTTSVTLLAAEFLK",
  "protein_accession": "Q99832",
  "protein_name": "T-complex protein 1 subunit eta",
  "measured_mz": 2992.57234,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 2992.57249,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 740,
  "peptide": "TPQQAQEVHEK",
  "proforma": "TPQQAQEVHEK",
  "protein_accession": "P60174",
  "protein_name": "Triosephosphate isomerase",
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  "theoretical_mz": 1294.6386,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 981,
  "peptide": "TVMPYISTTPAK",
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  "protein_accession": "P05556",
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  "measured_mz": 1308.68674,
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  "theoretical_mz": 1308.6868,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1255,
  "peptide": "TYSLGSALRPST",
  "proforma": "TYSLGSALRPST",
  "protein_accession": "P08670",
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  "measured_mz": 1252.65313,
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  "adduct": "H",
  "theoretical_mz": 1252.65319,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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  "observation_id": 1256,
  "peptide": "TYSLGSALRPSTSR",
  "proforma": "TYSLGSALRPSTSR",
  "protein_accession": "P08670",
  "protein_name": "Vimentin",
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1257,
  "peptide": "TYSLGSALRPSTSRSLYASSPGGVYATR",
  "proforma": "TYSLGSALRPSTSRSLYASSPGGVYATR",
  "protein_accession": "P08670",
  "protein_name": "Vimentin",
  "measured_mz": 2905.48011,
  "charge": 1,
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  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 983,
  "peptide": "VAEIEHAEKEK",
  "proforma": "VAEIEHAEKEK",
  "protein_accession": "P78371",
  "protein_name": "T-complex protein 1 subunit beta",
  "measured_mz": 1282.66369,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1282.66376,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 984,
  "peptide": "VAETANEEEVKK",
  "proforma": "VAETANEEEVKK",
  "protein_accession": "P61221",
  "protein_name": "ATP-binding cassette sub-family E member 1",
  "measured_mz": 1346.67973,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1346.6798,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 985,
  "peptide": "VAHALAEGLGVIACIGEKLDEREAGITEK",
  "proforma": "VAHALAEGLGVIACIGEKLDEREAGITEK",
  "protein_accession": "P60174",
  "protein_name": "Triosephosphate isomerase",
  "measured_mz": 2992.57705,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 2992.5772,
  "ppm_error": -0.05,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
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 {
  "observation_id": 986,
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 {
  "observation_id": 1260,
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  "status": "approved",
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 {
  "observation_id": 989,
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  "doi": "10.1021/ac504503x",
  "status": "approved",
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 {
  "observation_id": 1262,
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  "doi": "10.1021/ac504503x",
  "status": "approved",
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 {
  "observation_id": 1263,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
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  "doi": "10.1021/ac504503x",
  "status": "approved",
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 {
  "observation_id": 1264,
  "peptide": "VRGEVAPDAK",
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  "protein_accession": "P09382",
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  "species": "Homo sapiens",
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  "doi": "10.1021/ac504503x",
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 {
  "observation_id": 1265,
  "peptide": "VSVADHSLHLSK",
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1266,
  "peptide": "VVACNLYPFVK",
  "proforma": "VVACNLYPFVK",
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  "theoretical_mz": 1252.67584,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1267,
  "peptide": "VVDLMAHMASKE",
  "proforma": "VVDLMAHM[Oxidation]ASKE",
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  "protein_name": "Glyceraldehyde-3-phosphate dehydrogenase",
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  "theoretical_mz": 1346.64428,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1268,
  "peptide": "VVDLMAHMASKE",
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
  "flags": "reported_theoretical_differs"
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 {
  "observation_id": 1269,
  "peptide": "VVHIMDFQR",
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  "protein_name": "Matrin-3",
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
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 {
  "observation_id": 1270,
  "peptide": "VVSSIEQKTEGAEK",
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  "species": "Homo sapiens",
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  "observation_id": 1271,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
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 {
  "observation_id": 1272,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/pr3003672",
  "status": "approved",
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 {
  "observation_id": 1274,
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  "species": "Homo sapiens",
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  "uberon_id": "UBERON:0000310",
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  "observation_id": 1276,
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
  "uberon_id": "UBERON:0000310",
  "condition": "Breast tumour",
  "doi": "10.1021/ac504503x",
  "status": "approved",
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 {
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  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Breast",
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  "doi": "10.1021/ac504503x",
  "status": "approved",
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 {
  "observation_id": 1278,
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  "species": "Homo sapiens",
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 {
  "observation_id": 851,
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  "status": "approved",
  "flags": "reported_theoretical_differs"
 }
]