3BH4
High resolution crystal structure of Bacillus amyloliquefaciens alpha-amylase
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Alpha-amylase | polymer | 483 | 54902.2 | 2 | UniProt (P00692) Pfam (PF00128) Pfam (PF09154) | Bacillus amyloliquefaciens | 1,4-alpha-D-glucan glucanohydrolase |
| 2 | C, D, E, F, H... (A, B) | CALCIUM ION | non-polymer | 40.1 | 8 | Chemie (CA) | |||
| 3 | G, L (A, B) | SODIUM ION | non-polymer | 23.0 | 2 | Chemie (NA) | |||
| 4 | M, N (A, B) | water | water | 18.0 | 647 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 109804.4 | |
| Non-Polymers* | Number of molecules | 10 |
| Total formula weight | 366.6 | |
| All* | Total formula weight | 110171.0 |
