Functional Information from GO Data
| Chain | GOid | namespace | contents |
| X | 0005507 | molecular_function | copper ion binding |
| X | 0005515 | molecular_function | protein binding |
| X | 0016491 | molecular_function | oxidoreductase activity |
| X | 0019333 | biological_process | denitrification pathway |
| X | 0042128 | biological_process | nitrate assimilation |
| X | 0042597 | cellular_component | periplasmic space |
| X | 0046872 | molecular_function | metal ion binding |
| X | 0050421 | molecular_function | nitrite reductase (NO-forming) activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE CU X 501 |
| Chain | Residue |
| X | HIS89 |
| X | CYS130 |
| X | HIS139 |
| X | MET144 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE CU X 502 |
| Chain | Residue |
| X | HIS94 |
| X | HIS129 |
| X | HIS300 |
| X | HOH2136 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE ZN X 503 |
| Chain | Residue |
| X | ASP167 |
| X | GLU195 |
| X | HOH2347 |
| X | HIS165 |
| site_id | AC4 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 X1337 |
| Chain | Residue |
| X | ASP47 |
| X | ASP48 |
| X | LYS49 |
| X | HOH2070 |
| X | HOH2348 |
| site_id | AC5 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE MES X1338 |
| Chain | Residue |
| X | LEU164 |
| X | HIS165 |
| X | THR234 |
| X | THR288 |
| X | HOH2272 |
| X | HOH2350 |
| X | HOH2351 |
| X | HOH2352 |
Catalytic Information from CSA
| site_id | CSA1 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1nid |
| Chain | Residue | Details |
| X | PHE58 | |
| X | GLY60 | |
| site_id | CSA2 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1nid |
| Chain | Residue | Details |
| X | HIS249 | |
| X | ASP92 | |
