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[Oxidation]^3?GEPGPTGLPGPPGER

Sequence: GEPGPTGLPGPPGER (15 residues)
Modifications: 3× Oxidation (P) Unimod:35
Monoisotopic mass: 1464.68449 Da
Calculated ions: [M+H]+ 1465.6918 · [M+Na]+ 1487.6737 · [M+K]+ 1503.6476 · [M+2H]2+ 733.3495

Position in protein

Collagen alpha-1(I) chain residues 473–487 of 1464

Protein	Measured m/z	Calc. m/z	ppm	Species · tissue	Source	Status
Collagen alpha-1(I) chain UniProt P02452	1465.6900	1465.6918	-1.2	Homo sapiens (human) · Pancreas · Pancreatic tumour	10.1007/s00216-010-3554-6	Approved Reported theoretical m/z differs from the calculated value