| A7NL15 | NUON1_ROSCS | Roseiflexus castenholzii (strain DSM 13941 / HLO8) | nuoN1 Rcas_2099 | Detail |
| A9EX55 | NUON1_SORC5 | Sorangium cellulosum (strain So ce56) (Polyangium cellulosum (strain So ce56)) | nuoN1 sce4218 | Detail |
| Q8HVM1 | NDHI_RAIAR | Raillardella argentea (Silky raillardella) | ndhI | Detail |
| A5FXI8 | NUON2_ACICJ | Acidiphilium cryptum (strain JF-5) | nuoN2 Acry_1108 | Detail |
| Q31HE7 | NUON_HYDCU | Hydrogenovibrio crunogenus (strain XCL-2) (Thiomicrospira crunogena) | nuoN Tcr_0830 | Detail |
| P34850 | NU3M_ANOGA | Anopheles gambiae (African malaria mosquito) | mt:ND3 ND3 | Detail |
| A7ZPA1 | NUOB_ECO24 | Escherichia coli O139:H28 (strain E24377A / ETEC) | nuoB EcE24377A_2580 | Detail |
| C6CEF6 | NUOK_DICC1 | Dickeya chrysanthemi (strain Ech1591) (Dickeya zeae (strain Ech1591)) | nuoK Dd1591_1403 | Detail |
| Q2IL14 | NUOI2_ANADE | Anaeromyxobacter dehalogenans (strain 2CP-C) | nuoI2 Adeh_2576 | Detail |
| Q608Y9 | NUON_METCA | Methylococcus capsulatus (strain ATCC 33009 / NCIMB 11132 / Bath) | nuoN MCA1347 | Detail |