| Q5HSM5 | NUON_CAMJR | Campylobacter jejuni (strain RM1221) | nuoN CJE1737 | Detail |
| Q8HEC4 | NU1M_CAEBR | Caenorhabditis briggsae | nd1 | Detail |
| B8G6L3 | NUON_CHLAD | Chloroflexus aggregans (strain MD-66 / DSM 9485) | nuoN Cagg_1036 | Detail |
| P24887 | NU1M_CAEEL | Caenorhabditis elegans | nduo-1 nd1 MTCE.11 | Detail |
| Q2IL11 | NUOA_ANADE | Anaeromyxobacter dehalogenans (strain 2CP-C) | nuoA Adeh_2570 | Detail |
| A0KJ67 | NUOA_AERHH | Aeromonas hydrophila subsp. hydrophila (strain ATCC 7966 / DSM 30187 / JCM 1027 / KCTC 2358 / NCIMB 9240) | nuoA AHA_1782 | Detail |
| Q3A820 | NUOI_PELCD | Pelobacter carbinolicus (strain DSM 2380 / NBRC 103641 / GraBd1) | nuoI Pcar_0211 | Detail |
| O21787 | NU4LM_TRAPO | Trachypithecus poliocephalus (White-headed langur) (Presbytis leucocephalus) | MT-ND4L MTND4L NADH4L ND4L | Detail |
| P29918 | NQO6_PARDE | Paracoccus denitrificans | nqo6 | Detail |
| C5CT10 | NUOK_VARPS | Variovorax paradoxus (strain S110) | nuoK Vapar_3500 | Detail |