| P13065 | n/a | 1cc1 | FE2 | L | 501 | e1cc1L1 | all-beta domain in nickel-iron hydrogenase large subunit | all-beta domain in nickel-iron hydrogenase large subunit | all-beta domain in nickel-iron hydrogenase large subunit | NiFeSe_Hases |
| P13065 | n/a | 1cc1 | FE2 | L | 501 | e1cc1L3 | FAD-linked reductases, C-terminal domain-like | Ni-Fe binding domain in nickel-iron hydrogenase large subunit | Ni-Fe binding domain in nickel-iron hydrogenase large subunit | NiFeSe_Hases |
| P13065 | n/a | 1cc1 | FE2 | L | 501 | e1cc1L4 | FAD-linked reductases, C-terminal domain-like | Ni-Fe binding domain in nickel-iron hydrogenase large subunit | Ni-Fe binding domain in nickel-iron hydrogenase large subunit | NiFeSe_Hases |