[
 {
  "observation_id": 730,
  "peptide": "ALVNFVDNHDNQR",
  "proforma": "ALVNFVDNHDNQR",
  "protein_accession": "P04746",
  "protein_name": "Pancreatic alpha-amylase",
  "measured_mz": 1427.7,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1541.74553,
  "ppm_error": -73971.69,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Pancreas",
  "uberon_id": "UBERON:0001264",
  "condition": "Pancreatic tumour",
  "doi": "10.1021/pr900522m",
  "status": "review",
  "flags": "mass_mismatch;not_in_protein"
 },
 {
  "observation_id": 733,
  "peptide": "AMGIMNSFVNDIFER",
  "proforma": "[Oxidation]^2?AMGIMNSFVNDIFER",
  "protein_accession": "P33778",
  "protein_name": "Histone H2B type 1-B",
  "measured_mz": 1775.84,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1775.80912,
  "ppm_error": 17.39,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Pancreas",
  "uberon_id": "UBERON:0001264",
  "condition": "Pancreatic tumour",
  "doi": "10.1021/pr900522m",
  "status": "approved",
  "flags": "reported_theoretical_differs"
 },
 {
  "observation_id": 754,
  "peptide": "AVFPSIVGRPR",
  "proforma": "AVFPSIVGRPR",
  "protein_accession": "P62736",
  "protein_name": "Actin, aortic smooth muscle",
  "measured_mz": 1198.72,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1198.7055,
  "ppm_error": 12.09,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Pancreas",
  "uberon_id": "UBERON:0001264",
  "condition": "Pancreatic tumour",
  "doi": "10.1021/pr900522m",
  "status": "approved",
  "flags": ""
 },
 {
  "observation_id": 793,
  "peptide": "FIWYNNVINPTLPR",
  "proforma": "FIWYNNVINPTLPR",
  "protein_accession": "P16233",
  "protein_name": "Pancreatic triacylglycerol lipase",
  "measured_mz": 1746.9,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1746.9326,
  "ppm_error": -18.66,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Pancreas",
  "uberon_id": "UBERON:0001264",
  "condition": "Pancreatic tumour",
  "doi": "10.1021/pr900522m",
  "status": "approved",
  "flags": ""
 },
 {
  "observation_id": 825,
  "peptide": "GLTLPCLPWPA",
  "proforma": "[Oxidation]?GLTLPCLPWPA",
  "protein_accession": "Q9Y3S1",
  "protein_name": "Serine/threonine-protein kinase WNK2",
  "measured_mz": 1327.72,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1183.61799,
  "ppm_error": 121747.06,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Pancreas",
  "uberon_id": "UBERON:0001264",
  "condition": "Pancreatic tumour",
  "doi": "10.1021/pr900522m",
  "status": "review",
  "flags": "mass_mismatch;reported_theoretical_differs;not_in_protein"
 },
 {
  "observation_id": 842,
  "peptide": "GSEGPQGVR",
  "proforma": "GSEGPQGVR",
  "protein_accession": "P02452",
  "protein_name": "Collagen alpha-1(I) chain",
  "measured_mz": 886.44,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 886.43772,
  "ppm_error": 2.57,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Pancreas",
  "uberon_id": "UBERON:0001264",
  "condition": "Pancreatic tumour",
  "doi": "10.1021/pr900522m",
  "status": "approved",
  "flags": ""
 },
 {
  "observation_id": 1010,
  "peptide": "LLVVYPWTQR",
  "proforma": "LLVVYPWTQR",
  "protein_accession": "P68871",
  "protein_name": "Hemoglobin subunit beta",
  "measured_mz": 1274.73,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1274.72557,
  "ppm_error": 3.48,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Pancreas",
  "uberon_id": "UBERON:0001264",
  "condition": "Pancreatic tumour",
  "doi": "10.1021/pr900522m",
  "status": "approved",
  "flags": ""
 },
 {
  "observation_id": 1025,
  "peptide": "LVNEVTEFAK",
  "proforma": "LVNEVTEFAK",
  "protein_accession": "P02768",
  "protein_name": "Albumin",
  "measured_mz": 1149.63,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1149.61502,
  "ppm_error": 13.03,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Pancreas",
  "uberon_id": "UBERON:0001264",
  "condition": "Pancreatic tumour",
  "doi": "10.1021/pr900522m",
  "status": "approved",
  "flags": ""
 },
 {
  "observation_id": 1027,
  "peptide": "MFLSFPTTK",
  "proforma": "[Oxidation]?MFLSFPTTK",
  "protein_accession": "P69905",
  "protein_name": "Hemoglobin subunit alpha",
  "measured_mz": 1087.57,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1087.54924,
  "ppm_error": 19.08,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Pancreas",
  "uberon_id": "UBERON:0001264",
  "condition": "Pancreatic tumour",
  "doi": "10.1021/pr900522m",
  "status": "approved",
  "flags": "reported_theoretical_differs"
 },
 {
  "observation_id": 1303,
  "peptide": "TGHPGTVGPAGIR",
  "proforma": "[Oxidation]?TGHPGTVGPAGIR",
  "protein_accession": "P08123",
  "protein_name": "Collagen alpha-2(I) chain",
  "measured_mz": 1235.63,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1235.64911,
  "ppm_error": -15.47,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Pancreas",
  "uberon_id": "UBERON:0001264",
  "condition": "Pancreatic tumour",
  "doi": "10.1021/pr900522m",
  "status": "approved",
  "flags": "reported_theoretical_differs"
 },
 {
  "observation_id": 1334,
  "peptide": "VAPEEHPVLLTEAPLNPK",
  "proforma": "VAPEEHPVLLTEAPLNPK",
  "protein_accession": "P60709",
  "protein_name": "Actin, cytoplasmic 1",
  "measured_mz": 1954.06,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1954.0644,
  "ppm_error": -2.25,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Pancreas",
  "uberon_id": "UBERON:0001264",
  "condition": "Pancreatic tumour",
  "doi": "10.1021/pr900522m",
  "status": "approved",
  "flags": ""
 },
 {
  "observation_id": 1367,
  "peptide": "YRPGTVALR",
  "proforma": "YRPGTVALR",
  "protein_accession": "Q6NXT2",
  "protein_name": "Histone H3.3C",
  "measured_mz": 1032.59,
  "charge": 1,
  "adduct": "H",
  "theoretical_mz": 1032.59489,
  "ppm_error": -4.74,
  "species": "Homo sapiens",
  "taxon_id": 9606,
  "tissue": "Pancreas",
  "uberon_id": "UBERON:0001264",
  "condition": "Pancreatic tumour",
  "doi": "10.1021/pr900522m",
  "status": "approved",
  "flags": ""
 }
]