| P0CD54 | NU2C1_WHEAT | Triticum aestivum (Wheat) | ndhB1 | Detail |
| P0CC39 | NU2C2_CALFG | Calycanthus floridus var. glaucus (Eastern sweetshrub) (Calycanthus fertilis var. ferax) | ndhB2 | Detail |
| B6JNB0 | NUOK_HELP2 | Helicobacter pylori (strain P12) | nuoK HPP12_1236 | Detail |
| B4EZC4 | NUOH_PROMH | Proteus mirabilis (strain HI4320) | nuoH PMI1756 | Detail |
| Q9XAR4 | NUOK2_STRCO | Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145) | nuoK2 SCO4572 SCD16A.11c | Detail |
| Q2VEC8 | NU4LC_SOLTU | Solanum tuberosum (Potato) | ndhE | Detail |
| O25851 | NUOB_HELPY | Helicobacter pylori (strain ATCC 700392 / 26695) (Campylobacter pylori) | nuoB HP_1261 | Detail |
| Q5X1B7 | NUOK_LEGPA | Legionella pneumophila (strain Paris) | nuoK lpp2826 | Detail |
| Q9XL66 | NU4LM_MACBR | Macaca brunnescens (Muna-buton macaque) (Macaca ochreata subsp. brunnescens) | MT-ND4L MTND4L NADH4L ND4L | Detail |
| P15551 | NU4M_STRPU | Strongylocentrotus purpuratus (Purple sea urchin) | ND4 | Detail |