| Chain | GOid | namespace | contents |
| A | 0004888 | molecular_function | transmembrane signaling receptor activity |
| A | 0005216 | molecular_function | monoatomic ion channel activity |
| A | 0005230 | molecular_function | extracellular ligand-gated monoatomic ion channel activity |
| A | 0005506 | molecular_function | iron ion binding |
| A | 0006811 | biological_process | monoatomic ion transport |
| A | 0009055 | molecular_function | electron transfer activity |
| A | 0016020 | cellular_component | membrane |
| A | 0020037 | molecular_function | heme binding |
| A | 0022900 | biological_process | electron transport chain |
| A | 0034220 | biological_process | monoatomic ion transmembrane transport |
| A | 0042597 | cellular_component | periplasmic space |
| A | 0046872 | molecular_function | metal ion binding |
| B | 0004888 | molecular_function | transmembrane signaling receptor activity |
| B | 0005216 | molecular_function | monoatomic ion channel activity |
| B | 0005230 | molecular_function | extracellular ligand-gated monoatomic ion channel activity |
| B | 0005506 | molecular_function | iron ion binding |
| B | 0006811 | biological_process | monoatomic ion transport |
| B | 0009055 | molecular_function | electron transfer activity |
| B | 0016020 | cellular_component | membrane |
| B | 0020037 | molecular_function | heme binding |
| B | 0022900 | biological_process | electron transport chain |
| B | 0034220 | biological_process | monoatomic ion transmembrane transport |
| B | 0042597 | cellular_component | periplasmic space |
| B | 0046872 | molecular_function | metal ion binding |
| C | 0004888 | molecular_function | transmembrane signaling receptor activity |
| C | 0005216 | molecular_function | monoatomic ion channel activity |
| C | 0005230 | molecular_function | extracellular ligand-gated monoatomic ion channel activity |
| C | 0005506 | molecular_function | iron ion binding |
| C | 0006811 | biological_process | monoatomic ion transport |
| C | 0009055 | molecular_function | electron transfer activity |
| C | 0016020 | cellular_component | membrane |
| C | 0020037 | molecular_function | heme binding |
| C | 0022900 | biological_process | electron transport chain |
| C | 0034220 | biological_process | monoatomic ion transmembrane transport |
| C | 0042597 | cellular_component | periplasmic space |
| C | 0046872 | molecular_function | metal ion binding |
| D | 0004888 | molecular_function | transmembrane signaling receptor activity |
| D | 0005216 | molecular_function | monoatomic ion channel activity |
| D | 0005230 | molecular_function | extracellular ligand-gated monoatomic ion channel activity |
| D | 0005506 | molecular_function | iron ion binding |
| D | 0006811 | biological_process | monoatomic ion transport |
| D | 0009055 | molecular_function | electron transfer activity |
| D | 0016020 | cellular_component | membrane |
| D | 0020037 | molecular_function | heme binding |
| D | 0022900 | biological_process | electron transport chain |
| D | 0034220 | biological_process | monoatomic ion transmembrane transport |
| D | 0042597 | cellular_component | periplasmic space |
| D | 0046872 | molecular_function | metal ion binding |
| E | 0004888 | molecular_function | transmembrane signaling receptor activity |
| E | 0005216 | molecular_function | monoatomic ion channel activity |
| E | 0005230 | molecular_function | extracellular ligand-gated monoatomic ion channel activity |
| E | 0005506 | molecular_function | iron ion binding |
| E | 0006811 | biological_process | monoatomic ion transport |
| E | 0009055 | molecular_function | electron transfer activity |
| E | 0016020 | cellular_component | membrane |
| E | 0020037 | molecular_function | heme binding |
| E | 0022900 | biological_process | electron transport chain |
| E | 0034220 | biological_process | monoatomic ion transmembrane transport |
| E | 0042597 | cellular_component | periplasmic space |
| E | 0046872 | molecular_function | metal ion binding |
