| H6LFG3 | n/a | 7q4v | SF4 | A | 605 | e7q4vA2 | Fe-only hydrogenase | Fe-only hydrogenase | Fe-only hydrogenase | Fe_hyd_lg_C |
| H6LFG3 | n/a | 7q4v | SF4 | A | 605 | e7q4vA4 | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | Fer4 |
| H6LFG3 | n/a | 7q4v | SF4 | E | 605 | e7q4vE1 | Fe-only hydrogenase | Fe-only hydrogenase | Fe-only hydrogenase | Fe_hyd_lg_C |
| H6LFG3 | n/a | 7q4v | SF4 | E | 605 | e7q4vE4 | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | Fer4 |
| H6LFG3 | n/a | 7q4w | SF4 | A | 604 | e7q4wA1 | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | Fer4 |
| H6LFG3 | n/a | 7q4w | SF4 | A | 604 | e7q4wA5 | iron-sulfur center-binding helical hairpin | iron-sulfur center-binding helical hairpin | iron-sulfur center-binding helical hairpin | NADH-G_4Fe-4S_3 |
| H6LFG3 | n/a | 7q4w | SF4 | A | 604 | e7q4wE5 | iron-sulfur center-binding helical hairpin | iron-sulfur center-binding helical hairpin | iron-sulfur center-binding helical hairpin | NADH-G_4Fe-4S_3 |
| H6LFG3 | n/a | 7q4w | SF4 | E | 604 | e7q4wA5 | iron-sulfur center-binding helical hairpin | iron-sulfur center-binding helical hairpin | iron-sulfur center-binding helical hairpin | NADH-G_4Fe-4S_3 |
| H6LFG3 | n/a | 7q4w | SF4 | E | 604 | e7q4wE1 | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | Fer4 |
| H6LFG3 | n/a | 7q4w | SF4 | E | 604 | e7q4wE5 | iron-sulfur center-binding helical hairpin | iron-sulfur center-binding helical hairpin | iron-sulfur center-binding helical hairpin | NADH-G_4Fe-4S_3 |
| H6LFG3 | n/a | 8a5e | SF4 | A | 605 | e8a5eA1 | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | Fer4 |
| H6LFG3 | n/a | 8a5e | SF4 | A | 605 | e8a5eA4 | Fe-only hydrogenase | Fe-only hydrogenase | Fe-only hydrogenase | Fe_hyd_lg_C |
| H6LFG3 | n/a | 8a5e | SF4 | D | 605 | e8a5eD3 | Fe-only hydrogenase | Fe-only hydrogenase | Fe-only hydrogenase | Fe_hyd_lg_C |
| H6LFG3 | n/a | 8a5e | SF4 | D | 605 | e8a5eD5 | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | Fer4 |