Succinate dehydrogenase

Definition:

EC Tree > 1 Oxidoreductases > 1.3 Acting on the CH-CH group of donors > 1.3.5 With a quinone or related compound as acceptor > 1.3.5.1 succinate dehydrogenase
Succinate dehydrogenase (complex II) is an FAD/[2Fe-2S]/[4Fe-4S]/[3Fe-4S]/membrane-anchor complex embedded in the inner mitochondrial/bacterial membrane that oxidizes succinate to fumarate and feeds electrons to quinone (TCA and respiratory chain); anaerobically it runs as fumarate reductase.

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