| Chain | GOid | namespace | contents |
| A | 0016491 | molecular_function | oxidoreductase activity |
| B | 0047985 | molecular_function | hydrogen dehydrogenase activity |
| B | 0051539 | molecular_function | 4 iron, 4 sulfur cluster binding |
| C | 0016491 | molecular_function | oxidoreductase activity |
| C | 0051536 | molecular_function | iron-sulfur cluster binding |
| D | 0016491 | molecular_function | oxidoreductase activity |
| E | 0047985 | molecular_function | hydrogen dehydrogenase activity |
| E | 0051539 | molecular_function | 4 iron, 4 sulfur cluster binding |
| F | 0016491 | molecular_function | oxidoreductase activity |
| F | 0051536 | molecular_function | iron-sulfur cluster binding |
| G | 0016491 | molecular_function | oxidoreductase activity |
| H | 0047985 | molecular_function | hydrogen dehydrogenase activity |
| H | 0051539 | molecular_function | 4 iron, 4 sulfur cluster binding |
| I | 0016491 | molecular_function | oxidoreductase activity |
| I | 0051536 | molecular_function | iron-sulfur cluster binding |
| J | 0016491 | molecular_function | oxidoreductase activity |
| K | 0047985 | molecular_function | hydrogen dehydrogenase activity |
| K | 0051539 | molecular_function | 4 iron, 4 sulfur cluster binding |
| L | 0016491 | molecular_function | oxidoreductase activity |
| L | 0051536 | molecular_function | iron-sulfur cluster binding |