1S0D
Crystal structure of botulinum neurotoxin type B at pH 5.5
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | Botulinum neurotoxin type B | polymer | 1290 | 150833.4 | 1 | UniProt (P10844) Pfam (PF01742) Pfam (PF07952) Pfam (PF07953) Pfam (PF07951) In PDB | Clostridium botulinum | BoNT/B, Bontoxilysin B |
| 2 | A | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 3 | A | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 4 | water | water | 18.0 | 547 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 150833.4 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 145.6 | |
| All* | Total formula weight | 150978.9 |
