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[Oxidation]?GFPGADGVAGPK

Sequence: GFPGADGVAGPK (12 residues)
Modifications: 1× Oxidation (P) Unimod:35
Monoisotopic mass: 1087.52982 Da
Calculated ions: [M+H]+ 1088.5371 · [M+Na]+ 1110.5190 · [M+K]+ 1126.4930 · [M+2H]2+ 544.7722

Position in protein

Collagen alpha-1(I) chain residues 494–505 of 1464

Protein	Measured m/z	Calc. m/z	ppm	Species · tissue	Source	Status
Collagen alpha-1(I) chain UniProt P02452	1088.5600	1088.5371	+21.0	Homo sapiens (human) · Pancreas · Pancreatic tumour	10.1007/s00216-010-3554-6	Approved Reported theoretical m/z differs from the calculated value