ubiquinol cytochrome c reductase; respiratory complex 3

Structure: - contains 11 subunits: - 3 respiratory subunits (cytochrome b, cytochrome c1 & Rieske/UQCRFS1) - 2 core proteins (UQCRC1/QCR1 & UQCRC2/QCR2) - 6 low-molecular weight proteins (UQCRH/QCR6, UQCRB/QCR7, UQCRQ/QCR8, UQCR10/QCR9, UQCR11/QCR10 - & a cleavage product of Rieske/UQCRFS1 Laboratory: - coenzyme Q cytochrome C reductase in tissue

General

cytochrome reductase electron transport enzyme mitochondrial membrane protein multienzyme complex

Properties

SIZE: MW = 280 kD COMPARTMENT: inner mitochondrial membrane

References

UniProt :accession P00156

Components

cytochrome b-c1 complex subunit 1, mitochondrial; complex III subunit 1; core protein I; ubiquinol-cytochrome-c reductase complex core protein 1; process-enhancing protein (UQCRC1) cytochrome b-c1 complex subunit 10; complex III subunit 10; complex III subunit XI; ubiquinol-cytochrome c reductase complex 6.4 kD protein (UQCR11, UQCR) cytochrome b-c1 complex subunit 6, mitochondrial; complex III subunit 6; complex III subunit VI; cytochrome c1 non-heme 11 kD protein; mitochondrial hinge protein; ubiquinol-cytochrome c reductase complex 11 kD protein (UQCRH) cytochrome b-c1 complex subunit 6-like, mitochondrial (UQCRHL) cytochrome b-c1 complex subunit 7; complex III subunit 7; complex III subunit VII; QP-C; ubiquinol-cytochrome c reductase complex 14 kD protein (UQCRB, UQBP) cytochrome b-c1 complex subunit 8; complex III subunit 8; complex III subunit VIII; ubiquinol-cytochrome c reductase complex 9.5 kD protein; ubiquinol-cytochrome c reductase complex ubiquinone-binding protein QP-C (UQCRQ) cytochrome b-c1 complex subunit Rieske, mitochondrial; complex III subunit 5; cytochrome b-c1 complex subunit 5; Rieske iron-sulfur protein; RISP; ubiquinol-cytochrome c reductase iron-sulfur subunit; contains: cytochrome b-c1 complex subunit 11; complex III subunit IX; ubiquinol-cytochrome c reductase 8 kD protein (UQCRFS1) cytochrome b-c1 complex subunit Rieske-like protein 1 (UQCRFSL1, UQCRFS1P1) cytochrome c1 (cytochrome b-c1 complex subunit 4, ubiquinol-cytochrome-c reductase complex cytochrome c1 subunit, CYC1) protein subunit