2RF7
Crystal structure of the escherichia coli nrfa mutant Q263E
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 | Cytochrome c-552 | polymer | 441 | 49546.9 | 4 | UniProt (P0ABK9) Pfam (PF02335) In PDB | Escherichia coli K12 | Ammonia-forming cytochrome c nitrite reductase, Cytochrome c nitrite reductase |
| 2 | C, A, D, B | CALCIUM ION | non-polymer | 40.1 | 8 | Chemie (CA) | |||
| 3 | C, A, D, B | HEME C | non-polymer | 618.5 | 20 | Chemie (HEC) | |||
| 4 | B, C, A, D | 1,2-ETHANEDIOL | non-polymer | 62.1 | 15 | Chemie (EDO) | |||
| 5 | water | water | 18.0 | 1782 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 37 - 477 (UniProt: P0ABK9)
| PDB | External Database | Details |
|---|---|---|
| Glu 263 | Gln 263 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 198187.5 | |
| Non-Polymers* | Number of molecules | 43 |
| Total formula weight | 13621.7 | |
| All* | Total formula weight | 211809.2 |
