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The five precursor ions used in this study. A2 and A3 are Adrenocorticotropic Hormone Fragment 1–17 (SYSMEHFRWGKPVGKKR); AB433 is Angiotensin (DRVYIHPFHL); AB810 is modified Bombesin (pEQRLGNQWAVGHLM-NH2); and M is γ-Melanocyte Stimulating Hormone (YVMGHFRWDRFG).
| Monoisotopic Neutral Mass | Charge State | Tryptic? | |
|---|---|---|---|
| A2 | 2093.41 | +2 | Yes |
| A3 | 2093.41 | +3 | Yes |
| AB433 | 1295.68 | +3 | No |
| AB810 | 1619.85 | +2 | No |
| M | 1570.77 | +2 | No |
