| 5XTE | e5xteC1 | 5014.1.1 | iron-sulfur subunit (ISP) transmembrane anchor | iron-sulfur subunit (ISP) transmembrane anchor | iron-sulfur subunit (ISP) transmembrane anchor | UCR_TM |
| e5xteP2 | 5014.1.1 | iron-sulfur subunit (ISP) transmembrane anchor | iron-sulfur subunit (ISP) transmembrane anchor | iron-sulfur subunit (ISP) transmembrane anchor | UCR_TM |
| e5xteC2 | 66.1.1 | ISP domain | ISP domain | ISP domain | Rieske |
| e5xteP3 | 66.1.1 | ISP domain | ISP domain | ISP domain | Rieske |
| e5xteB1 | 852.1.1 | Ubiquinol-cytochrome c reductase 8 kDa protein | Ubiquinol-cytochrome c reductase 8 kDa protein | Ubiquinol-cytochrome c reductase 8 kDa protein | Ubiq-Cytc-red_N |
| e5xteO1 | 852.1.1 | Ubiquinol-cytochrome c reductase 8 kDa protein | Ubiquinol-cytochrome c reductase 8 kDa protein | Ubiquinol-cytochrome c reductase 8 kDa protein | Ubiq-Cytc-red_N |
| 5XTH | e5xthAC1 | 5014.1.1 | iron-sulfur subunit (ISP) transmembrane anchor | iron-sulfur subunit (ISP) transmembrane anchor | iron-sulfur subunit (ISP) transmembrane anchor | UCR_TM |
| e5xthAP2 | 5014.1.1 | iron-sulfur subunit (ISP) transmembrane anchor | iron-sulfur subunit (ISP) transmembrane anchor | iron-sulfur subunit (ISP) transmembrane anchor | UCR_TM |
| e5xthAC2 | 66.1.1 | ISP domain | ISP domain | ISP domain | Rieske |
| e5xthAP3 | 66.1.1 | ISP domain | ISP domain | ISP domain | Rieske |
| e5xthAB1 | 852.1.1 | Ubiquinol-cytochrome c reductase 8 kDa protein | Ubiquinol-cytochrome c reductase 8 kDa protein | Ubiquinol-cytochrome c reductase 8 kDa protein | Ubiq-Cytc-red_N |
| e5xthAO1 | 852.1.1 | Ubiquinol-cytochrome c reductase 8 kDa protein | Ubiquinol-cytochrome c reductase 8 kDa protein | Ubiquinol-cytochrome c reductase 8 kDa protein | Ubiq-Cytc-red_N |
| 5XTI | e5xtiAC2 | 5014.1.1 | iron-sulfur subunit (ISP) transmembrane anchor | iron-sulfur subunit (ISP) transmembrane anchor | iron-sulfur subunit (ISP) transmembrane anchor | UCR_TM |
| e5xtiAP1 | 5014.1.1 | iron-sulfur subunit (ISP) transmembrane anchor | iron-sulfur subunit (ISP) transmembrane anchor | iron-sulfur subunit (ISP) transmembrane anchor | UCR_TM |
| e5xtiAC3 | 66.1.1 | ISP domain | ISP domain | ISP domain | Rieske |
| e5xtiAP2 | 66.1.1 | ISP domain | ISP domain | ISP domain | Rieske |
| e5xtiAB1 | 852.1.1 | Ubiquinol-cytochrome c reductase 8 kDa protein | Ubiquinol-cytochrome c reductase 8 kDa protein | Ubiquinol-cytochrome c reductase 8 kDa protein | Ubiq-Cytc-red_N |
| e5xtiAO1 | 852.1.1 | Ubiquinol-cytochrome c reductase 8 kDa protein | Ubiquinol-cytochrome c reductase 8 kDa protein | Ubiquinol-cytochrome c reductase 8 kDa protein | Ubiq-Cytc-red_N |