| IPR028261 | Dihydroprymidine dehydrogenase domain II | Domain |
| IPR036010 | 2Fe-2S ferredoxin-like superfamily | Homologous Superfamily |
| IPR000283 | NADH:ubiquinone oxidoreductase, 75kDa subunit, conserved site | Conserved Site |
| IPR054351 | NADH-ubiquinone oxidoreductase, ferredoxin-like domain | Domain |
| IPR023753 | FAD/NAD(P)-binding domain | Domain |
| IPR036188 | FAD/NAD(P)-binding domain superfamily | Homologous Superfamily |
| IPR009051 | Alpha-helical ferredoxin | Homologous Superfamily |
| IPR017900 | 4Fe-4S ferredoxin, iron-sulphur binding, conserved site | Conserved Site |
| IPR019575 | NADH-ubiquinone oxidoreductase 51kDa subunit, iron-sulphur binding domain | Domain |
| IPR019554 | Soluble ligand binding domain | Domain |
| IPR037225 | NADH-ubiquinone oxidoreductase 51kDa subunit, FMN-binding domain superfamily | Homologous Superfamily |
| IPR017896 | 4Fe-4S ferredoxin-type, iron-sulphur binding domain | Domain |
| IPR037207 | NADH-ubiquinone oxidoreductase 51kDa subunit, iron-sulphur binding domain superfamily | Homologous Superfamily |
| IPR011538 | NADH-ubiquinone oxidoreductase 51kDa subunit, FMN-binding domain | Domain |
| IPR036249 | Thioredoxin-like superfamily | Homologous Superfamily |
| IPR028431 | NADP-reducing hydrogenase subunit HndA-like | Family |
| IPR042128 | NuoE domain | Domain |
| IPR002023 | NADH-quinone oxidoreductase subunit E-like | Family |
| IPR041921 | NADH-quinone oxidoreductase subunit E, N-terminal | Homologous Superfamily |
| IPR036249 | Thioredoxin-like superfamily | Homologous Superfamily |