1GOI
Crystal structure of the D140N mutant of chitinase B from Serratia marcescens at 1.45 A resolution
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) | CHITINASE B | polymer | 499 | 55517.0 | 2 | UniProt (Q54276) Pfam (PF00704) UniProt (by SIFTS) (P11797) | SERRATIA MARCESCENS | |
| 2 | C, D, E, F, G... (A, B) | GLYCEROL | non-polymer | 92.1 | 12 | Chemie (GOL) | |||
| 3 | I, P, Q, R (A, B) | SULFATE ION | non-polymer | 96.1 | 4 | Chemie (SO4) | |||
| 4 | S, T (A, B) | water | water | 18.0 | 1000 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 499 (UniProt: Q54276)
| PDB | External Database | Details |
|---|---|---|
| Asn 140 | Asp 140 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 111034.1 | |
| Non-Polymers* | Number of molecules | 16 |
| Total formula weight | 1489.4 | |
| All* | Total formula weight | 112523.4 |






