| Chain | GOid | namespace | contents |
| A | 0008901 | molecular_function | ferredoxin hydrogenase activity |
| A | 0016151 | molecular_function | nickel cation binding |
| A | 0030313 | cellular_component | cell envelope |
| A | 0033748 | molecular_function | hydrogenase (acceptor) activity |
| B | 0008901 | molecular_function | ferredoxin hydrogenase activity |
| B | 0009375 | cellular_component | ferredoxin hydrogenase complex |
| B | 0051536 | molecular_function | iron-sulfur cluster binding |
| C | 0008901 | molecular_function | ferredoxin hydrogenase activity |
| C | 0016151 | molecular_function | nickel cation binding |
| C | 0030313 | cellular_component | cell envelope |
| C | 0033748 | molecular_function | hydrogenase (acceptor) activity |
| D | 0008901 | molecular_function | ferredoxin hydrogenase activity |
| D | 0009375 | cellular_component | ferredoxin hydrogenase complex |
| D | 0051536 | molecular_function | iron-sulfur cluster binding |