| Q5TEU4 | NDUF5_HUMAN | Homo sapiens (Human) | NDUFAF5 C20orf7 | Detail |
| P22921 | NIFH_RHORU | Rhodospirillum rubrum | nifH | Detail |
| P00463 | NIFH_BRASP | Bradyrhizobium sp. (strain ANU 289) | nifH | Detail |
| C9QZ66 | RUTC_ECOD1 | Escherichia coli (strain ATCC 33849 / DSM 4235 / NCIB 12045 / K12 / DH1) | rutC EcDH1_2632 ECDH1ME8569_0964 | Detail |
| Q00239 | NIFD_LEPBY | Leptolyngbya boryana (Plectonema boryanum) | nifD | Detail |
| M1WG92 | PIG5_CLAP2 | Claviceps purpurea (strain 20.1) (Ergot fungus) (Sphacelia segetum) | CPUR_05427 | Detail |
| W3X7K0 | PFMAD_PESFW | Pestalotiopsis fici (strain W106-1 / CGMCC3.15140) | PfmaD PFICI_07100 | Detail |
| P9WGP8 | SADH_MYCTO | Mycobacterium tuberculosis (strain CDC 1551 / Oshkosh) | sadH MT3170 | Detail |
| B7KWT5 | RUTC_METC4 | Methylorubrum extorquens (strain CM4 / NCIMB 13688) (Methylobacterium extorquens) | rutC Mchl_2055 | Detail |
| B7N3G6 | RUTC_ECOLU | Escherichia coli O17:K52:H18 (strain UMN026 / ExPEC) | rutC ECUMN_1193 | Detail |