| P12943 | n/a | 1yq9 | H2S | A | 1268 | e1yq9A1 | Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit | Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit | Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit | NiFe_hyd_SSU_C |
| P12943 | n/a | 1yq9 | H2S | A | 1268 | e1yq9A2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P12943 | n/a | 1yq9 | H2S | B | 2268 | e1yq9B1 | Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit | Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit | Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit | NiFe_hyd_SSU_C |
| P12943 | n/a | 1yq9 | H2S | B | 2268 | e1yq9B2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P12943 | n/a | 1yq9 | H2S | H | 1541 | e1yq9A1 | Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit | Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit | Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit | NiFe_hyd_SSU_C |
| P12943 | n/a | 1yq9 | H2S | I | 2541 | e1yq9B1 | Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit | Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit | Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit | NiFe_hyd_SSU_C |