Commonly occurring product ions for PS(8:0/8:0) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
510.2474Precursor ion [M-H]-
423.2153Loss of serine from precursor ion
297.1109Loss of sn2 acyl chain as ketene (RCH=C=O) and serine from [M-H]-
297.1109Loss of sn1 acyl chain as ketene (RCH=C=O) and serine from [M-H]-
279.1003Neutral loss of sn2 RCOOH group and serine from [M-H]-
279.1003Neutral loss of sn1 RCOOH group and serine from [M-H]-
152.9958Glycerol-3-phosphate ion with loss of H2O
143.1078sn2 RCOO- ion
143.1078sn1 RCOO- ion
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