| A | Oxidored_q6 | e3myrA2 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: CheY-like | F: Oxidored_q6 | ECOD (1.6) |
| A | NiFe_hyd_SSU_C | e3myrA1 | A: few secondary structure elements | X: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit (From Topology) | H: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit (From Topology) | T: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit | F: NiFe_hyd_SSU_C | ECOD (1.6) |
| C | Oxidored_q6 | e3myrC2 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: CheY-like | F: Oxidored_q6 | ECOD (1.6) |
| C | NiFe_hyd_SSU_C | e3myrC1 | A: few secondary structure elements | X: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit (From Topology) | H: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit (From Topology) | T: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit | F: NiFe_hyd_SSU_C | ECOD (1.6) |
| G | Oxidored_q6 | e3myrG2 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: CheY-like | F: Oxidored_q6 | ECOD (1.6) |
| G | NiFe_hyd_SSU_C | e3myrG1 | A: few secondary structure elements | X: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit (From Topology) | H: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit (From Topology) | T: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit | F: NiFe_hyd_SSU_C | ECOD (1.6) |
| E | Oxidored_q6 | e3myrE2 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: CheY-like | F: Oxidored_q6 | ECOD (1.6) |
| E | NiFe_hyd_SSU_C | e3myrE1 | A: few secondary structure elements | X: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit (From Topology) | H: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit (From Topology) | T: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit | F: NiFe_hyd_SSU_C | ECOD (1.6) |
| D | NiFeSe_Hases_2nd | e3myrD1 | A: beta meanders | X: all-beta domain in nickel-iron hydrogenase large subunit (From Topology) | H: all-beta domain in nickel-iron hydrogenase large subunit (From Topology) | T: all-beta domain in nickel-iron hydrogenase large subunit | F: NiFeSe_Hases_2nd | ECOD (1.6) |
| D | NiFeSe_Hases_1st | e3myrD2 | A: alpha complex topology | X: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology) | H: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology) | T: alpha-helical domain in nickel-iron hydrogenase, large subunit | F: NiFeSe_Hases_1st | ECOD (1.6) |
| D | NiFeSe_Hases_3rd | e3myrD3 | A: a+b two layers | X: FAD-linked reductases, C-terminal domain-like | H: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology) | T: Ni-Fe binding domain in nickel-iron hydrogenase large subunit | F: NiFeSe_Hases_3rd | ECOD (1.6) |
| D | NiFeSe_Hases_3rd_1 | e3myrD4 | A: a+b two layers | X: FAD-linked reductases, C-terminal domain-like | H: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology) | T: Ni-Fe binding domain in nickel-iron hydrogenase large subunit | F: NiFeSe_Hases_3rd_1 | ECOD (1.6) |
| F | NiFeSe_Hases_2nd | e3myrF1 | A: beta meanders | X: all-beta domain in nickel-iron hydrogenase large subunit (From Topology) | H: all-beta domain in nickel-iron hydrogenase large subunit (From Topology) | T: all-beta domain in nickel-iron hydrogenase large subunit | F: NiFeSe_Hases_2nd | ECOD (1.6) |
| F | NiFeSe_Hases_1st | e3myrF2 | A: alpha complex topology | X: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology) | H: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology) | T: alpha-helical domain in nickel-iron hydrogenase, large subunit | F: NiFeSe_Hases_1st | ECOD (1.6) |
| F | NiFeSe_Hases_3rd | e3myrF3 | A: a+b two layers | X: FAD-linked reductases, C-terminal domain-like | H: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology) | T: Ni-Fe binding domain in nickel-iron hydrogenase large subunit | F: NiFeSe_Hases_3rd | ECOD (1.6) |
| F | NiFeSe_Hases_3rd_1 | e3myrF4 | A: a+b two layers | X: FAD-linked reductases, C-terminal domain-like | H: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology) | T: Ni-Fe binding domain in nickel-iron hydrogenase large subunit | F: NiFeSe_Hases_3rd_1 | ECOD (1.6) |
| H | NiFeSe_Hases_2nd | e3myrH1 | A: beta meanders | X: all-beta domain in nickel-iron hydrogenase large subunit (From Topology) | H: all-beta domain in nickel-iron hydrogenase large subunit (From Topology) | T: all-beta domain in nickel-iron hydrogenase large subunit | F: NiFeSe_Hases_2nd | ECOD (1.6) |
| H | NiFeSe_Hases_1st | e3myrH2 | A: alpha complex topology | X: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology) | H: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology) | T: alpha-helical domain in nickel-iron hydrogenase, large subunit | F: NiFeSe_Hases_1st | ECOD (1.6) |
| H | NiFeSe_Hases_3rd | e3myrH3 | A: a+b two layers | X: FAD-linked reductases, C-terminal domain-like | H: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology) | T: Ni-Fe binding domain in nickel-iron hydrogenase large subunit | F: NiFeSe_Hases_3rd | ECOD (1.6) |
| H | NiFeSe_Hases_3rd_1 | e3myrH4 | A: a+b two layers | X: FAD-linked reductases, C-terminal domain-like | H: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology) | T: Ni-Fe binding domain in nickel-iron hydrogenase large subunit | F: NiFeSe_Hases_3rd_1 | ECOD (1.6) |
| B | NiFeSe_Hases_2nd | e3myrB4 | A: beta meanders | X: all-beta domain in nickel-iron hydrogenase large subunit (From Topology) | H: all-beta domain in nickel-iron hydrogenase large subunit (From Topology) | T: all-beta domain in nickel-iron hydrogenase large subunit | F: NiFeSe_Hases_2nd | ECOD (1.6) |
| B | NiFeSe_Hases_1st | e3myrB1 | A: alpha complex topology | X: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology) | H: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology) | T: alpha-helical domain in nickel-iron hydrogenase, large subunit | F: NiFeSe_Hases_1st | ECOD (1.6) |
| B | NiFeSe_Hases_3rd | e3myrB3 | A: a+b two layers | X: FAD-linked reductases, C-terminal domain-like | H: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology) | T: Ni-Fe binding domain in nickel-iron hydrogenase large subunit | F: NiFeSe_Hases_3rd | ECOD (1.6) |
| B | NiFeSe_Hases_3rd_1 | e3myrB2 | A: a+b two layers | X: FAD-linked reductases, C-terminal domain-like | H: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology) | T: Ni-Fe binding domain in nickel-iron hydrogenase large subunit | F: NiFeSe_Hases_3rd_1 | ECOD (1.6) |