| Domain | Name | Category | Type |
| IPR004192 | Cytochrome b-c1 complex subunit Rieske, transmembrane domain | Domain | Domain |
| IPR005805 | Rieske iron-sulphur protein, C-terminal | Domain | Domain |
| IPR006317 | Ubiquinol-cytochrome c reductase, iron-sulphur subunit | Domain | Domain |
| IPR011070 | Globular protein, non-globular alpha/beta subunit | Family | Homologous superfamily |
| IPR014349 | Rieske iron-sulphur protein | Family | Family |
| IPR015248 | Ubiquinol-cytochrome c reductase 8kDa, N-terminal | Domain | Domain |
| IPR017941 | Rieske [2Fe-2S] iron-sulphur domain | Domain | Domain |
| IPR036922 | Rieske [2Fe-2S] iron-sulphur domain superfamily | Family | Homologous superfamily |
| IPR037008 | Cytochrome bc1 complex subunit Rieske, transmembrane domain superfamily | Family | Homologous superfamily |