Commonly occurring product ions for PS(P-16:1(9Z)/39:0) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
1038.8472Precursor ion [M-H]-
951.8151Loss of serine from precursor ion
577.5929sn2 RCOO- ion
391.2255Loss of sn2 acyl chain as ketene (RCH=C=O) and serine from [M-H]-
373.2149Neutral loss of sn2 RCOOH group and serine from [M-H]-
152.9958Glycerol-3-phosphate ion with loss of H2O
96.9696H2PO4- ion (from phosphate)
78.9591PO3- ion (from phosphate)
Note: Structures of product ions may represent one of a number of possible isobaric molecules in some cases