5HWA
Crystal Structure of MH-K1 chitosanase in substrate-bound form
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Chitosanase | polymer | 259 | 28986.4 | 1 | UniProt (P33673) Pfam (PF01374) | Bacillus circulans | |
| 2 | B (B) | 2-amino-2-deoxy-beta-D-glucopyranose-(1-4)-2-amino-2-deoxy-beta-D-glucopyranose-(1-4)-2-amino-2-deoxy-beta-D-glucopyranose-(1-4)-2-amino-2-deoxy-beta-D-glucopyranose | branched | 662.6 | 1 | In PDB GlyTouCan (G94774FX) | |||
| 3 | C (A) | CACODYLATE ION | non-polymer | 137.0 | 1 | Chemie (CAC) | |||
| 4 | D, E, F (A) | ACETIC ACID | non-polymer | 60.1 | 3 | Chemie (ACY) | |||
| 5 | G, H, I, J, K... (A) | ZINC ION | non-polymer | 65.4 | 7 | Chemie (ZN) | |||
| 6 | N (A) | water | water | 18.0 | 499 | Chemie (HOH) |
Sequence modifications
A: 1 - 259 (UniProt: P33673)
| PDB | External Database | Details |
|---|---|---|
| Gln 37 | Glu 79 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 28986.4 | |
| Branched | Number of molecules | 1 |
| Total formula weight | 662.6 | |
| Non-Polymers* | Number of molecules | 11 |
| Total formula weight | 775.0 | |
| All* | Total formula weight | 30424.1 |
