Table 5.
Locations and type of mass spectrometric identified amino acid differences in two additional strains of BoNT/B2 as compared to BoNT/B1 Okra
| B1 Okra residue | B2 CDC 1828 residue | B2 Prevot 59 residue | B2 CDC 1828 peptide identified by MS/MS | B2 Prevot 59 peptide identified by MS/MS |
|---|---|---|---|---|
| 608N | 608S | 608S | DFVIEANKSSTM | DFVIEANKSSTM |
| 851M | 851I | 851I | EIFNKYNSEILNNIILNLR | |
| 870K | 870R | 870R | YNSEILNNIILNLRYR | |
| 883K | 883N | 883N | DLSGYGANVEVY | |
| 921V | 921M | 921M | VTQNQNIIFNSMFL | VTQNQNIIFNSMFL |
| 975I | 975T | 975T | IIWTLTDINGK | |
| 1031R | 1031G | 1031G | DIGEVIANGEIIFK | |
| 1071E | 1071K | 1071K | SIFNTELSQSNIK | YFSIFNTELSQSNIK |
| 1073R | 1073I | 1073I | EIYKIQSYSEYLK | |
| 1116P | 1116S | 1116S | DSSVGEILTR | DSSVGEILTR |