| P69739 | DB18267 | 4gd3 | HEM | A | 301 | e4gd3T1 | 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 |
| P69739 | DB18267 | 4gd3 | HEM | A | 301 | e4gd3T2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P69739 | DB18267 | 4gd3 | HEM | B | 301 | e4gd3R1 | 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 |
| P69739 | DB18267 | 4gd3 | HEM | B | 301 | e4gd3R2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P69739 | DB18267 | 6g94 | HEM | A | 301 | e6g94T1 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P69739 | DB18267 | 6g94 | HEM | A | 301 | e6g94T2 | 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 |
| P69739 | DB18267 | 6g94 | HEM | B | 301 | e6g94R1 | 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 |
| P69739 | DB18267 | 6g94 | HEM | B | 301 | e6g94R2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |