| P43194 | NU6M_BRABR | Brachyramphus brevirostris (Kittlitz's murrelet) (Uria brevirostris) | MT-ND6 MTND6 NADH6 ND6 | Detail |
| P60497 | NU6M_ARATH | Arabidopsis thaliana (Mouse-ear cress) | ND6 NAD6 AtMg00270 | Detail |
| A8FNN6 | NUOB_CAMJ8 | Campylobacter jejuni subsp. jejuni serotype O:6 (strain 81116 / NCTC 11828) | nuoB C8J_1475 | Detail |
| A5VPY6 | NUOD_BRUO2 | Brucella ovis (strain ATCC 25840 / 63/290 / NCTC 10512) | nuoD BOV_0800 | Detail |
| Q2JU56 | NDHO_SYNJA | Synechococcus sp. (strain JA-3-3Ab) (Cyanobacteria bacterium Yellowstone A-Prime) | ndhO CYA_1607 | Detail |
| Q07QX4 | NUOB1_RHOP5 | Rhodopseudomonas palustris (strain BisA53) | nuoB1 RPE_1711 | Detail |
| A3PIX1 | NUOD_RHOS1 | Rhodobacter sphaeroides (strain ATCC 17029 / ATH 2.4.9) | nuoD Rsph17029_1177 | Detail |
| A2BTD8 | NDHN_PROMS | Prochlorococcus marinus (strain AS9601) | ndhN A9601_17661 | Detail |
| A9N8X0 | NUOD_COXBR | Coxiella burnetii (strain RSA 331 / Henzerling II) | nuoD COXBURSA331_A1615 | Detail |
| Q9F5Y1 | RNFE_AZOVD | Azotobacter vinelandii (strain DJ / ATCC BAA-1303) | rnfE Avin_50930 | Detail |