Lancaster 2002 Biochim Biophys Acta

Lancaster CR (2002) Succinate:quinone oxidoreductases: an overview. Biochim Biophys Acta 1553:1-6. https://doi.org/10.1016/s0005-2728(01)00240-7

» PMID: 11803013 Open Access

Lancaster CR (2002) Biochim Biophys Acta

Abstract: Succinate:quinone oxidoreductases (SQORs, EC 1.3.5.1 [1], [2], [3], [4], [5]) are enzymes that couple the two-electron oxidation of succinate to fumarate (reaction 1) to the two-electron reduction of quinone to quinol (reaction 2):

succinate -> fumarate + 2H+ + 2e- (1)

quinone + 2H+ + 2e- -> quinol (2)

• Bioblast editor: Gnaiger E

Labels:

Enzyme: Complex II;succinate dehydrogenase 

Correction: FADH₂ and Complex II

FADH₂ is shown as the substrate feeding electrons into Complex II (CII). This is wrong and requires correction - for details see Gnaiger (2024).

Gnaiger E (2024) Complex II ambiguities ― FADH₂ in the electron transfer system. J Biol Chem 300:105470. https://doi.org/10.1016/j.jbc.2023.105470 - »Bioblast link«