31VH
Alcalase/CI-2A complex at 277K
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | KerA | polymer | 274 | 27306.2 | 1 | UniProt (Q9FDF2) | Bacillus licheniformis | |
| 2 | B (B) | Subtilisin-chymotrypsin inhibitor-2A | polymer | 64 | 7314.6 | 1 | UniProt (P01053) | Hordeum vulgare | CI-2A |
| 3 | C (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) PubChem (271) | |||
| 4 | D, E, F (A) | SODIUM ION | non-polymer | 23.0 | 3 | Chemie (NA) PubChem (923) | |||
| 5 | G, H (A) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) PubChem (312) | |||
| 6 | I, J (A, B) | water | water | 18.0 | 399 | Chemie (HOH) |
Sequence modifications
B: 21 - 83 (UniProt: P01053)
| PDB | External Database | Details |
|---|---|---|
| Met 20 | - | initiating methionine |
| Glu 78 | Gln 79 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 34620.8 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 180.0 | |
| All* | Total formula weight | 34800.8 |






