| D3RV29 | n/a | 3myr | CL | A | 2004 | e3myrA1 | 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 |
| D3RV29 | n/a | 3myr | CL | A | 2004 | e3myrA2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| D3RV29 | n/a | 3myr | CL | C | 2004 | e3myrC1 | 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 |
| D3RV29 | n/a | 3myr | CL | C | 2004 | e3myrC2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| D3RV29 | n/a | 3myr | CL | E | 2004 | e3myrE1 | 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 |
| D3RV29 | n/a | 3myr | CL | E | 2004 | e3myrE2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| D3RV29 | n/a | 3myr | CL | G | 2004 | e3myrG1 | 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 |
| D3RV29 | n/a | 3myr | CL | G | 2004 | e3myrG2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |