8IM8
Crystal structure of Periplasmic alpha-amylase (MalS) from E.coli
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B, C, D (A, B, C, D) | Periplasmic alpha-amylase | polymer | 676 | 75790.4 | 4 | UniProt (P25718) Pfam (PF00128) | Escherichia coli K-12 | 1,4-alpha-D-glucan glucanohydrolase |
2 | E, F, G, H, I... (A, B, C, D) | CALCIUM ION | non-polymer | 40.1 | 8 | Chemie (CA) | |||
3 | M, N, O, P (A, B, C, D) | water | water | 18.0 | 292 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 4 |
Total formula weight | 303161.4 | |
Non-Polymers* | Number of molecules | 8 |
Total formula weight | 320.6 | |
All* | Total formula weight | 303482.0 |