Commonly occurring product ions for PS(18:0/18:0) (View full structure)
| m/z | Ion Description | Structure (click to enlarge) |
|---|---|---|
| 790.5604 | Precursor ion [M-H]- |  |
| 703.5283 | Loss of serine from precursor ion |  |
| 437.2674 | Loss of sn2 acyl chain as ketene (RCH=C=O) and serine from [M-H]- |  |
| 437.2674 | Loss of sn1 acyl chain as ketene (RCH=C=O) and serine from [M-H]- |  |
| 419.2568 | Neutral loss of sn2 RCOOH group and serine from [M-H]- |  |
| 419.2568 | Neutral loss of sn1 RCOOH group and serine from [M-H]- |  |
| 283.2643 | sn2 RCOO- ion |  |
| 283.2643 | 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) |  |