Commonly occurring product ions for PS(16:0/22:0)) (View full structure)
| m/z | Ion Description | Structure (click to enlarge) |
|---|---|---|
| 818.5917 | Precursor ion [M-H]- |  |
| 731.5596 | Loss of serine from precursor ion |  |
| 493.3300 | Loss of sn1 acyl chain as ketene (RCH=C=O) and serine from [M-H]- |  |
| 475.3194 | Neutral loss of sn1 RCOOH group and serine from [M-H]- |  |
| 409.2361 | Loss of sn2 acyl chain as ketene (RCH=C=O) and serine from [M-H]- |  |
| 391.2255 | Neutral loss of sn2 RCOOH group and serine from [M-H]- |  |
| 339.3269 | sn2 RCOO- ion |  |
| 255.2330 | 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) |  |