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UQCRFS1

Cytochrome b-c1 complex subunit Rieske, mitochondrial: Component of the mitochondrial ubiquinol-cytochrome c reductase complex dimer (complex III dimer), which is a respiratory chain that generates an electrochemical potential coupled to ATP synthesis (PubMed:28673544). Incorporation of UQCRFS1 is the penultimate step in complex III assembly (By similarity).
Protein class

Disease related genes, Enzymes, Metabolic proteins, Potential drug targets

Predicted location

Intracellular

Single cell type specificity

Cell type enhanced (Cardiomyocytes, Distal tubular cells)

Immune cell specificity

Low immune cell specificity

Cell line specificity

Low cell line specificity

Interaction

[Cytochrome b-c1 complex subunit Rieske, mitochondrial]: Component of the ubiquinol-cytochrome c oxidoreductase (cytochrome b-c1 complex, complex III, CIII), a multisubunit enzyme composed of 11 subunits. The complex is composed of 3 respiratory subunits cytochrome b, cytochrome c1 and Rieske protein UQCRFS1, 2 core protein subunits UQCRC1/QCR1 and UQCRC2/QCR2, and 6 low-molecular weight protein subunits UQCRH/QCR6, UQCRB/QCR7, UQCRQ/QCR8, UQCR10/QCR9, UQCR11/QCR10 and subunit 9, the cleavage product of Rieske protein UQCRFS1 (By similarity). The complex exists as an obligatory dimer and forms supercomplexes (SCs) in the inner mitochondrial membrane with NADH-ubiquinone oxidoreductase (complex I, CI) and cytochrome c oxidase (complex IV, CIV), resulting in different assemblies (supercomplex SCI(1)III(2)IV(1) and megacomplex MCI(2)III(2)IV(2)) (PubMed:28844695). Incorporation of the Rieske protein UQCRFS1 is the penultimate step in complex III assembly (PubMed:28380382). Interacts with TTC19, which is involved in the clearance of UQCRFS1 fragments (PubMed:28673544). [Cytochrome b-c1 complex subunit 9]: Component of the ubiquinol-cytochrome c oxidoreductase (cytochrome b-c1 complex, complex III, CIII). Subunit 9 corresponds to the mitochondrial targeting sequence (MTS) of Rieske protein UQCRFS1. It is retained after processing and incorporated inside complex III, where it remains bound to the complex and localizes between the 2 core subunits UQCRC1/QCR1 and UQCRC2/QCR2.

Molecular function

Translocase

More Types Infomation

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