| Chain | GOid | namespace | contents |
| B | 0005886 | cellular_component | plasma membrane |
| B | 0006119 | biological_process | oxidative phosphorylation |
| B | 0009055 | molecular_function | electron transfer activity |
| B | 0009486 | molecular_function | cytochrome bo3 ubiquinol oxidase activity |
| B | 0016020 | cellular_component | membrane |
| B | 0016682 | molecular_function | oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor |
| B | 0019646 | biological_process | aerobic electron transport chain |
| B | 0046872 | molecular_function | metal ion binding |
| B | 0055085 | biological_process | transmembrane transport |
| B | 0070069 | cellular_component | cytochrome complex |
| C | 0005886 | cellular_component | plasma membrane |
| C | 0006119 | biological_process | oxidative phosphorylation |
| C | 0009055 | molecular_function | electron transfer activity |
| C | 0009486 | molecular_function | cytochrome bo3 ubiquinol oxidase activity |
| C | 0016020 | cellular_component | membrane |
| C | 0016682 | molecular_function | oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor |
| C | 0019646 | biological_process | aerobic electron transport chain |
| C | 0020037 | molecular_function | heme binding |
| C | 0046872 | molecular_function | metal ion binding |
| C | 0055085 | biological_process | transmembrane transport |
| C | 0070069 | cellular_component | cytochrome complex |
| X | 0005515 | molecular_function | protein binding |
| X | 0005886 | cellular_component | plasma membrane |
| X | 0009279 | cellular_component | cell outer membrane |
