| A7MHT8 | NUON_CROS8 | Cronobacter sakazakii (strain ATCC BAA-894) (Enterobacter sakazakii) | nuoN ESA_00944 | Detail |
| Q8K9X7 | NUOL_BUCAP | Buchnera aphidicola subsp. Schizaphis graminum (strain Sg) | nuoL BUsg_157 | Detail |
| Q6EW44 | NDHK_NYMAL | Nymphaea alba (White water-lily) (Castalia alba) | ndhK | Detail |
| Q08HK6 | NU4LM_ZALCA | Zalophus californianus (California sealion) | MT-ND4L MTND4L NADH4L ND4L | Detail |
| Q3AC77 | NUOA_CARHZ | Carboxydothermus hydrogenoformans (strain ATCC BAA-161 / DSM 6008 / Z-2901) | nuoA CHY_1425 | Detail |
| Q85CT7 | NU6C_ANTAG | Anthoceros angustus (Hornwort) (Anthoceros formosae) | ndhG | Detail |
| Q142H2 | NUOB_PARXL | Paraburkholderia xenovorans (strain LB400) | nuoB Bxeno_A1229 Bxe_A3213 | Detail |
| P0AFF0 | NUON_ECOLI | Escherichia coli (strain K12) | nuoN b2276 JW2271 | Detail |
| A8ADV1 | NUOA_CITK8 | Citrobacter koseri (strain ATCC BAA-895 / CDC 4225-83 / SGSC4696) | nuoA CKO_00508 | Detail |
| Q30PI7 | NUOI_SULDN | Sulfurimonas denitrificans (strain ATCC 33889 / DSM 1251) (Thiomicrospira denitrificans (strain ATCC 33889 / DSM 1251)) | nuoI Suden_1820 | Detail |