Commonly occurring product ions for PS(11:0/22:5(4Z,7Z,10Z,13Z,16Z)) (View full structure)
| m/z | Ion Description | Structure (click to enlarge) |
|---|---|---|
| 738.4352 | Precursor ion [M-H]- |  |
| 651.4031 | Loss of serine from precursor ion |  |
| 483.2517 | Loss of sn1 acyl chain as ketene (RCH=C=O) and serine from [M-H]- |  |
| 465.2412 | Neutral loss of sn1 RCOOH group and serine from [M-H]- |  |
| 339.1578 | Loss of sn2 acyl chain as ketene (RCH=C=O) and serine from [M-H]- |  |
| 329.2486 | sn2 RCOO- ion |  |
| 321.1473 | Neutral loss of sn2 RCOOH group and serine from [M-H]- |  |
| 285.2588 | Loss of CO2 from sn2 RCOO- ion (PUFA) |  |
| 185.1547 | sn1 RCOO- ion |  |
| 152.9958 | Glycerol-3-phosphate ion with loss of H2O |  |
| 96.9696 | H2PO4- ion (from phosphate) |  |
| 78.9591 | PO3- ion (from phosphate) |  |