TABLE 1.
The amino acid sequences and the theoretical and experimentally measured monoisotopic masses of the peptides
| Peptide | Amino acid sequence | Theoretical mass (Da) | Experimental mass (Da) |
|---|---|---|---|
| RS20 | RRKWQKTGHAVRAIGRLSSS | 2293.2992 | 2293.3008 ± 0.0005 |
| V11F | RRKWQKTGHAFRAIGRLSSS | 2341.2992 | 2341.2978 ± 0.0004 |
| V11L | RRKWQKTGHALRAIGRLSSS | 2307.3148 | 2307.3096 ± 0.015 |
| A13L | RRKWQKTGHAVRLIGRLSSS | 2335.3461 | 2335.3458 ± 0.001 |
| R16L | RRKWQKTGHAVRAIGLLSSS | 2250.2821 | 2250.2801 ± 0.0003 |
The mutated residues are in bold. The experimental values are the mean ± standard deviation from five experiments.