| Q2YNF3 | NUOK_BRUA2 | Brucella abortus (strain 2308) | nuoK BAB1_0832 | Detail |
| P38603 | NU6M_HALGR | Halichoerus grypus (Gray seal) (Phoca grypus) | MT-ND6 MTND6 NADH6 ND6 | Detail |
| B8GWU1 | NUOK_CAUVN | Caulobacter vibrioides (strain NA1000 / CB15N) (Caulobacter crescentus) | nuoK CCNA_02018 | Detail |
| Q9G3S5 | NU6M_PTESA | Pteropus scapulatus (Little red flying fox) | MT-ND6 MTND6 NADH6 ND6 | Detail |
| Q7N2I7 | NUOA_PHOLL | Photorhabdus laumondii subsp. laumondii (strain DSM 15139 / CIP 105565 / TT01) | nuoA plu3089 | Detail |
| B2SEV2 | NUOD_FRATM | Francisella tularensis subsp. mediasiatica (strain FSC147) | nuoD FTM_0097 | Detail |
| Q2SZM5 | NUOK_BURTA | Burkholderia thailandensis (strain ATCC 700388 / DSM 13276 / CIP 106301 / E264) | nuoK BTH_I1071 | Detail |
| Q2YA98 | NUOI1_NITMU | Nitrosospira multiformis (strain ATCC 25196 / NCIMB 11849 / C 71) | nuoI1 Nmul_A1020 | Detail |
| A9HRT9 | NUOD_GLUDA | Gluconacetobacter diazotrophicus (strain ATCC 49037 / DSM 5601 / PAl5) | nuoD GDI3037 Gdia_3331 | Detail |
| Q19V59 | NDHH_CHLAT | Chlorokybus atmophyticus (Soil alga) | ndhH | Detail |