Short-chain acyl-CoA dehydrogenase (EC126.96.36.199, butyryl-CoA dehydrogenase, butanoyl-CoA dehydrogenase, butyryl dehydrogenase, unsaturated acyl-CoA reductase, ethylene reductase, enoyl-coenzyme A reductase, unsaturated acyl coenzyme A reductase, butyryl coenzyme A dehydrogenase, short-chain acyl CoA dehydrogenase, short-chain acyl-coenzyme A dehydrogenase, 3-hydroxyacyl CoA reductase, butanoyl-CoA:(acceptor) 2,3-oxidoreductase, ACADS (gene).) is an enzyme with systematic name short-chain acyl-CoA:electron-transfer flavoprotein 2,3-oxidoreductase. This enzyme catalyses the following chemical reaction
a short-chain acyl-CoA + electron-transfer flavoprotein a short-chain trans-2,3-dehydroacyl-CoA + reduced electron-transfer flavoprotein
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^Ikeda Y, Okamura-Ikeda K, Tanaka K (January 1985). "Purification and characterization of short-chain, medium-chain, and long-chain acyl-CoA dehydrogenases from rat liver mitochondria. Isolation of the holo- and apoenzymes and conversion of the apoenzyme to the holoenzyme". The Journal of Biological Chemistry. 260 (2): 1311–25. PMID3968063.