Table I.
Monoisotopic Mass of Each Tested Peptide from LC-HRMS Experiment
| Compound name | Theoretical Monoisotopic Mass (Da) | Experimental Monoisotopic Mass (Da) | Δ Mass from theoretical (Da) | Mass error (ppm) |
|---|---|---|---|---|
| sCT | 3429.7133 | 3429.6841 | −0.0292 | −8.5 |
| Glu14/20 | 3430.6973 | 3430.6709 | −0.0264 | −7.7 |
| AC | 3471.7239 | 3471.6905 | −0.0334 | −9.6 |
| BV | 2178.9858 | 2178.9804 | −0.0054 | −2.5 |
| DG | 2121.9644 | 2121.9564 | −0.0079 | −3.8 |
| PG | 2236.0073 | 2236.0018 | −0.0054 | −2.5 |
| BV[12–20] | 1167.5336 | 1167.5282 | −0.0053 | −4.6 |
| BA | 2179.9698 | 2179.9666 | −0.0032 | −1.5 |
| ET | 4184.0273 | 4184.0517 | 0.0244 | 5.8 |
sCT calcitonin salmon, Glu 14/20 Glu14/20-calcitonin salmon, AC N-acetyl-calcitonin salmon, BV bivalirudin, DG des-glycine-bivalirudin, PG plus-glycine-bivalirudin, BV[12–20] 12–20 fragment of bivalirudin, BA beta-aspartic acid-bivalirudin, ET exenatide