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GYRKPPFNGSIF-[Amidated]

Sequence: GYRKPPFNGSIF (12 residues)
Modifications: 1× Amidated Unimod:2
Monoisotopic mass: 1380.73025 Da
Calculated ions: [M+H]+ 1381.7375 · [M+Na]+ 1403.7195 · [M+K]+ 1419.6934 · [M+2H]2+ 691.3724

Position in protein

SIFamide residues 28–39 of 78

Protein	Measured m/z	Calc. m/z	ppm	Species · tissue	Source	Status
SIFamide UniProt G4V2X8	1381.7000	1381.7375	-27.2	Cancer borealis (Jonah crab) · Brain	10.1021/pr060603v	Approved Reported theoretical m/z differs from the calculated value