Proteins
Curated comments from UniProt
Type | Comment | Proteins |
---|---|---|
F4JUC2_ARATH | function | Component of the ubiquinol-cytochrome c oxidoreductase, a multisubunit transmembrane complex that is part of the mitochondrial electron transport chain which drives oxidative phosphorylation. |
QCR71_ARATH | function | Component of the ubiquinol-cytochrome c oxidoreductase, a multisubunit transmembrane complex that is part of the mitochondrial electron transport chain which drives oxidative phosphorylation. The respiratory chain contains 3 multisubunit complexes succinate dehydrogenase (complex II, CII), ubiquinol-cytochrome c oxidoreductase (cytochrome b-c1 complex, complex III, CIII) and cytochrome c oxidase (complex IV, CIV), that cooperate to transfer electrons derived from NADH and succinate to molecular oxygen, creating an electrochemical gradient over the inner membrane that drives transmembrane transport and the ATP synthase. The cytochrome b-c1 complex catalyzes electron transfer from ubiquinol to cytochrome c, linking this redox reaction to translocation of protons across the mitochondrial inner membrane, with protons being carried across the membrane as hydrogens on the quinol. In the process called Q cycle, 2 protons are consumed from the matrix, 4 protons are released into the intermembrane space and 2 electrons are passed to cytochrome c. |
QCR71_ARATH F4JUC2_ARATH | similarity | Belongs to the UQCRB/QCR7 family. |
Function
Gene Ontology
cellular component | |
---|---|
plant-type vacuole | ECO |
plasma membrane | ECO |
respiratory chain complex III | ECO |
mitochondrion | ECO |
mitochondrial inner membrane | ECO |
molecular function | |
No terms in this category. | |
biological process | |
mitochondrial electron transport, ubiquinol to cytochrome c | ECO |
Interactions
Interaction Network
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