succinate dehydrogenase EC#: 1.3.5.1; ChemWhat Code: 1374126

Product Name succinate dehydrogenase
Example Structure Example Structure of succinate dehydrogenase EC#: 1.3.5.1
Synonyms AaSdhB, complex II, complex II of the respiratory chain, complex II succinate:ubiquinone oxidoreductase, DCPIP oxidoreductase, dehydrogenase, succinate, dehydrogenase/complex II, Fcc3, FL cyt, Flavocytochrome c3, FRdCAB, fumarate reductase, fumarate reductase complex, fumaric hydrogenase, Ifc3, Iron(III)-induced flavocytochrome C3, iron-sulfur subunit of succinate dehydrogenase, menaquinol:fumarate oxidoreductase, methylmenaquinol:fumarate reductase, mitochondrial complex II, mitochondrial succinate dehydrogenase, mitochondrial succinate:ubiquinone oxidoreductase, More, mQFR, MSMEG_0416, MSMEG_0417, MSMEG_0418, MSMEG_0419, MSMEG_0420, MSMEG_1669, MSMEG_1670, MSMEG_1671, MSMEG_1672, quinol-fumarate reductase, quinol:fumarate reductase, SDG, SDG-1, SDG-2, SDH, SDH1, SDH2, SDH2-1, SDH2-2, SDH4, SdhA, sdhABE, SDHB, sdhCAB, SdhCDAB, SdhD, SDISP, SQR, succinate dehydrogenase, succinate dehydrogenase (caldariellaquinone), succinate dehydrogenase (quinone), succinate dehydrogenase B, succinate dehydrogenase complex, succinate dehydrogenase flavoprotein subunit Sdh1p, succinate dehydrogenase iron-sulfur protein, succinate dehydrogenase iron-sulphur protein, succinate dehydrogenase subunit B, succinate oxidoreductase, succinate-2,6-dichlorophenolindophenol oxidoreductase, succinate-coenzyme Q reductase, succinate-quinone oxidoreductase, succinate-quinone reductase, succinate-ubiquinone oxidoreductase, succinate:caldariellaquinone oxidoreductase, succinate:menaquinone oxidoreductase, succinate:quinone oxidoreductase, succinate:quinone reductase, succinate:quinone reductases, succinate:ubiquinone oxidoreductase, succinate:ubiquinone reductase, succinic acid dehydrogenase, succinic dehydrogenase, succinodehydrogenase, succinyl dehydrogenase, Tneu_0423
EC Number 1.3.5.1
CAS Registry Number 9028/11/9
Comments A flavoprotein (FAD) complex containing iron-sulfur centres. The enzyme is found in the inner mitochondrial membrane in eukaryotes and the plasma membrane of many aerobic or facultative bacteria. It catalyses succinate oxidation in the citric acid cycle and transfers the electrons to quinones in the membrane, thus constituting a part of the aerobic respiratory chain (known as complex II). In vivo the enzyme uses the quinone found in the organism – eukaryotic enzymes utilize ubiquinone, bacterial enzymes utilize ubiquinone or menaquinone, and archaebacterial enzymes from the Sulfolobus genus use caldariellaquinone. cf. EC 1.3.5.4, fumarate reductase (quinone).
Cofactor iron-sulfur;FAD
History
Reactions Succinate + a quinone = fumarate + a quinol.

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