2PPD
Oxidized H145A mutant of AfNiR bound to nitric oxide
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 | Copper-containing nitrite reductase | polymer | 343 | 36996.8 | 3 | UniProt (P38501) Pfam (PF07732) Pfam (PF00394) In PDB | Alcaligenes faecalis | Cu-NIR |
| 2 | A, B, C | COPPER (I) ION | non-polymer | 63.5 | 3 | Chemie (CU1) | |||
| 3 | A, B, C | COPPER (II) ION | non-polymer | 63.5 | 3 | Chemie (CU) | |||
| 4 | A, B | NITRIC OXIDE | non-polymer | 30.0 | 2 | Chemie (NO) | |||
| 5 | A | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 122.1 | 1 | Chemie (TRS) | |||
| 6 | B | ACETATE ION | non-polymer | 59.0 | 1 | Chemie (ACT) | |||
| 7 | water | water | 18.0 | 603 | Chemie (HOH) |
Sequence modifications
A, B, C: -2 - 340 (UniProt: P38501)
| PDB | External Database | Details |
|---|---|---|
| Ala 145 | His 181 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 110990.5 | |
| Non-Polymers* | Number of molecules | 10 |
| Total formula weight | 622.5 | |
| All* | Total formula weight | 111612.9 |
