TABLE 2.
Tandem mass spectrometry of peptides of mass 775 and 932
| Peptide no.a | Predicted massb | Observed mass | Predicted sequence | Observed sequence |
|---|---|---|---|---|
| 4 | 775.46 | 775.26 | DVLSTLK | DVLSTLK |
| 34 | 930.55 | 931.9 | LDTVIELK | LDTVIELK |
a
The peptide number refers to the order of the predicted tryptic peptide in the sequence of NCPA.
b
The predicted amino acid sequences are based on predicted tryptic peptides of NCPA that would generate a mass closest to that observed in the MALDI-TOF experiment. The peptides correspond to residues 47 to 53 and 328 to 335, respectively, of NCPA.