Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0005506 | molecular_function | iron ion binding |
| A | 0005737 | cellular_component | cytoplasm |
| A | 0009055 | molecular_function | electron transfer activity |
| A | 0010181 | molecular_function | FMN binding |
| A | 0016491 | molecular_function | oxidoreductase activity |
| A | 0016661 | molecular_function | oxidoreductase activity, acting on other nitrogenous compounds as donors |
| A | 0016966 | molecular_function | nitric oxide reductase activity |
| A | 0032991 | cellular_component | protein-containing complex |
| A | 0042802 | molecular_function | identical protein binding |
| A | 0046210 | biological_process | nitric oxide catabolic process |
| A | 0046872 | molecular_function | metal ion binding |
| A | 0071731 | biological_process | response to nitric oxide |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 6 |
| Details | binding site for residue FE A 501 |
| Chain | Residue |
| A | ASP83 |
| A | HIS84 |
| A | ASP166 |
| A | HIS227 |
| A | FE502 |
| A | OXY503 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | binding site for residue FE A 502 |
| Chain | Residue |
| A | ASP166 |
| A | FE501 |
| A | OXY503 |
| A | HIS79 |
| A | GLU81 |
| A | HIS147 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | binding site for residue OXY A 503 |
| Chain | Residue |
| A | ASP166 |
| A | TYR194 |
| A | FE501 |
| A | FE502 |
| site_id | AC4 |
| Number of Residues | 21 |
| Details | binding site for residue FMN A 504 |
| Chain | Residue |
| A | HIS23 |
| A | TRP148 |
| A | THR260 |
| A | MET261 |
| A | SER262 |
| A | ASN263 |
| A | ASN264 |
| A | THR265 |
| A | SER313 |
| A | THR314 |
| A | MET315 |
| A | ASN316 |
| A | ASN317 |
| A | SER345 |
| A | HIS346 |
| A | GLY347 |
| A | TRP348 |
| A | SER349 |
| A | GLY350 |
| A | TRP375 |
| A | HOH636 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 12 |
| Details | BINDING: BINDING => ECO:0000250 |
| Chain | Residue | Details |
| A | HIS79 | |
| A | CYS431 | |
| A | CYS461 | |
| A | CYS464 | |
| A | GLU81 | |
| A | ASP83 | |
| A | HIS147 | |
| A | ASP166 | |
| A | HIS227 | |
| A | THR260 | |
| A | ALA342 | |
| A | CYS428 | |
