Electron transfer from ubiquinol to cytochrome c of complex III
CoQ + 2 H+ + 2 Cytochrome c (oxidised) + 2 CoQH2 → 2 CoQ + CoQH2 + 4 H+ + 2 Cytochrome c (reduced)
- Reactome
- R-HSA-164651
- Compartment
- mitochondrial inner membrane
- Rhea
- RHEA:11485
Inputs
- CoQCHEBI:46245, C59H90O4, mitochondrial inner membrane
- 2 H+CHEBI:15378, H, mitochondrial matrix
- 2 Cytochrome c (oxidised)R-HSA-352607, mitochondrial inner membrane
- 2 CoQH2CHEBI:64183, C59H92O4, mitochondrial inner membrane
Outputs
- 2 CoQCHEBI:46245, C59H90O4, mitochondrial inner membrane
- CoQH2CHEBI:64183, C59H92O4, mitochondrial inner membrane
- 4 H+CHEBI:15378, H, mitochondrial intermembrane space
- 2 Cytochrome c (reduced)R-HSA-352609, mitochondrial inner membrane
Catalysed by
- quinol-cytochrome-c reductase activity of Cytochrome c reductase [mitochondrial inner membrane]EC 7.1.1.8
Literature
- Possible molecular mechanisms of the protonmotive function of cytochrome J Theor Biol, 1976
- Protonmotive redox mechanism of the cytochrome b-c1 complex in the FEBS Lett, 1975