Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0005507 | molecular_function | copper ion binding |
| A | 0005515 | molecular_function | protein binding |
| A | 0016491 | molecular_function | oxidoreductase activity |
| A | 0019333 | biological_process | denitrification pathway |
| A | 0042128 | biological_process | nitrate assimilation |
| A | 0042597 | cellular_component | periplasmic space |
| A | 0046872 | molecular_function | metal ion binding |
| A | 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 A 501 |
| Chain | Residue |
| A | HIS89 |
| A | CYS130 |
| A | HIS139 |
| A | MET144 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE CU A 502 |
| Chain | Residue |
| A | HIS94 |
| A | HIS129 |
| A | HIS300 |
| A | CL503 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE CL A 503 |
| Chain | Residue |
| A | HIS129 |
| A | ILE251 |
| A | HIS300 |
| A | CU502 |
| site_id | CUA |
| Number of Residues | 5 |
| Details | TYPE I COPPER SITE |
| Chain | Residue |
| A | CU501 |
| A | HIS89 |
| A | CYS130 |
| A | HIS139 |
| A | MET144 |
| site_id | CUB |
| Number of Residues | 4 |
| Details | TYPE II COPPER SITE (ADDITIONAL HIS 300 FROM ADJACENT MONOMER) |
| Chain | Residue |
| A | CU502 |
| A | HIS94 |
| A | HIS129 |
| A | CL503 |
Catalytic Information from CSA
| site_id | CSA1 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1nid |
| Chain | Residue | Details |
| A | PHE58 | |
| A | GLY60 | |
| site_id | CSA2 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1nid |
| Chain | Residue | Details |
| A | HIS249 | |
| A | ASP92 | |
