| O | NiFeSe_Hases_2nd | e7uusO4 | 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) |
| O | NiFeSe_Hases_1st | e7uusO2 | 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) |
| O | NiFeSe_Hases_3rd | e7uusO3 | 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) |
| O | NiFeSe_Hases_3rd_1 | e7uusO1 | 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) |
| M | NiFeSe_Hases_2nd | e7uusM1 | 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) |
| M | NiFeSe_Hases_1st | e7uusM4 | 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) |
| M | NiFeSe_Hases_3rd | e7uusM3 | 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) |
| M | NiFeSe_Hases_3rd_1 | e7uusM2 | 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) |
| K | NiFeSe_Hases_2nd | e7uusK1 | 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) |
| K | NiFeSe_Hases_1st | e7uusK2 | 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) |
| K | NiFeSe_Hases_3rd | e7uusK4 | 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) |
| K | NiFeSe_Hases_3rd_1 | e7uusK3 | 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) |
| I | NiFeSe_Hases_2nd | e7uusI4 | 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) |
| I | NiFeSe_Hases_1st | e7uusI2 | 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) |
| I | NiFeSe_Hases_3rd | e7uusI1 | 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) |
| I | NiFeSe_Hases_3rd_1 | e7uusI3 | 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) |
| G | NiFeSe_Hases_2nd | e7uusG4 | 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) |
| G | NiFeSe_Hases_1st | e7uusG2 | 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) |
| G | NiFeSe_Hases_3rd | e7uusG1 | 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) |
| G | NiFeSe_Hases_3rd_1 | e7uusG3 | 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) |
| E | NiFeSe_Hases_2nd | e7uusE1 | 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) |
| E | NiFeSe_Hases_1st | e7uusE2 | 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) |
| E | NiFeSe_Hases_3rd | e7uusE4 | 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) |
| E | NiFeSe_Hases_3rd_1 | e7uusE3 | 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) |
| C | NiFeSe_Hases_2nd | e7uusC3 | 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) |
| C | NiFeSe_Hases_1st | e7uusC4 | 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) |
| C | NiFeSe_Hases_3rd | e7uusC1 | 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) |
| C | NiFeSe_Hases_3rd_1 | e7uusC2 | 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) |
| A | NiFeSe_Hases_2nd | e7uusA3 | 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) |
| A | NiFeSe_Hases_1st | e7uusA4 | 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) |
| A | NiFeSe_Hases_3rd | e7uusA1 | 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) |
| A | NiFeSe_Hases_3rd_1 | e7uusA2 | 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) |