| 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 |
| B | 0005506 | molecular_function | iron ion binding |
| B | 0005737 | cellular_component | cytoplasm |
| B | 0009055 | molecular_function | electron transfer activity |
| B | 0010181 | molecular_function | FMN binding |
| B | 0016491 | molecular_function | oxidoreductase activity |
| B | 0016661 | molecular_function | oxidoreductase activity, acting on other nitrogenous compounds as donors |
| B | 0016966 | molecular_function | nitric oxide reductase activity |
| B | 0032991 | cellular_component | protein-containing complex |
| B | 0042802 | molecular_function | identical protein binding |
| B | 0046210 | biological_process | nitric oxide catabolic process |
| B | 0046872 | molecular_function | metal ion binding |
| B | 0071731 | biological_process | response to nitric oxide |