Commonly occurring product ions for PS(20:5(5Z,8Z,11Z,14Z,17Z)/17:0)) (View full structure)
m/z
Ion Description
Structure (click to enlarge)
794.4978
Precursor ion [M-H]-
707.4657
Loss of serine from precursor ion
455.2204
Loss of sn2 acyl chain as ketene (RCH=C=O) and serine from [M-H]-
437.2099
Neutral loss of sn2 RCOOH group and serine from [M-H]-
423.2517
Loss of sn1 acyl chain as ketene (RCH=C=O) and serine from [M-H]-
405.2412
Neutral loss of sn1 RCOOH group and serine from [M-H]-
301.2173
sn1 RCOO- ion
269.2486
sn2 RCOO- ion
257.2275
Loss of CO2 from sn1 RCOO- ion (PUFA)
152.9958
Glycerol-3-phosphate ion with loss of H2O
96.9696
H2PO4- ion (from phosphate)
78.9591
PO3- ion (from phosphate)
Note: Structures of product ions may represent one of a number of possible isobaric molecules in some cases
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