3MJM
His257Ala mutant of dihydroorotase 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 (A, B) | Dihydroorotase | polymer | 347 | 38704.0 | 2 | UniProt (B1IV40) Pfam (PF01979) | Escherichia coli ATCC 8739 | DHOase |
| 2 | C, D, F, G (A, B) | ZINC ION | non-polymer | 65.4 | 4 | Chemie (ZN) | |||
| 3 | E (A) | (4S)-2,6-DIOXOHEXAHYDROPYRIMIDINE-4-CARBOXYLIC ACID | non-polymer | 158.1 | 1 | Chemie (DOR) | |||
| 4 | H (B) | N-CARBAMOYL-L-ASPARTATE | non-polymer | 176.1 | 1 | Chemie (NCD) | |||
| 5 | I (B) | PHOSPHORIC ACID MONO(FORMAMIDE)ESTER | non-polymer | 141.0 | 1 | Chemie (CP) | |||
| 6 | J, K (A, B) | water | water | 18.0 | 503 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 347 (UniProt: B1IV40)
| PDB | External Database | Details |
|---|---|---|
| Ala 257 | His 258 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 77408.0 | |
| Non-Polymers* | Number of molecules | 7 |
| Total formula weight | 736.9 | |
| All* | Total formula weight | 78144.9 |
