TABLE 2.
Peptide sequence* | Ion current | Observed mass (Da) | Theoretical mass (Da) |
---|---|---|---|
D.G132DGQVNYEEFVQM*M*TAK148 | 3971 | 1977.9 | 1977.8 |
E.A128DIDGDGQVNYEEFVQM*M*TAK148 | 793 | 2392.2 | 2392.0 |
D.E123MIREADIDGDGQVNYEEFVQMMTAK148 | 1105 | 3018.6 | 3018.3 |
Monisotopic masses; all peptide identifications were confirmed matching Q-TOF of CID spectra to predicted fragments.
The term M* indicates an oxidation product with a mass of +16 Da.