Short/branched chain specific acyl-CoA dehydrogenase, mitochondrial

Definition:

Short and branched chain specific acyl-CoA dehydrogenase that catalyzes the removal of one hydrogen from C-2 and C-3 of the fatty acyl-CoA thioester, resulting in the formation of trans-2-enoyl-CoA. Among the different mitochondrial acyl-CoA dehydrogenases, acts specifically on short and branched chain acyl-CoA derivatives such as (S)-2-methylbutyryl-CoA as well as short straight chain acyl-CoAs such as butyryl-CoA. Plays an important role in the metabolism of L-isoleucine by catalyzing the dehydrogenation of 2-methylbutyryl-CoA, one of the steps of the L-isoleucine catabolic pathway. Can also act on valproyl-CoA, a metabolite of valproic acid, an antiepileptic drug.

References:

[1]. B S Andresen, et al. Isolated 2-methylbutyrylglycinuria caused by short/branched-chain acyl-CoA dehydrogenase deficiency: identification of a new enzyme defect, resolution of its molecular basis, and evidence for distinct acyl-CoA dehydrogenases in isoleucine and valine metabolism. Am J Hum Genet. 2000 Nov;67(5):1095-103. [Content Brief]

[2]. K M Gibson, et al. 2-Methylbutyryl-coenzyme A dehydrogenase deficiency: a new inborn error of L-isoleucine metabolism. Pediatr Res. 2000 Jun;47(6):830-3. [Content Brief]

[3]. R Rozen, et al. Isolation and expression of a cDNA encoding the precursor for a novel member (ACADSB) of the acyl-CoA dehydrogenase gene family. Genomics. 1994 Nov 15;24(2):280-7. [Content Brief]

[4]. J Willard, et al. Cloning of a cDNA for short/branched chain acyl-Coenzyme A dehydrogenase from rat and characterization of its tissue expression and substrate specificity. Arch Biochem Biophys. 1996 Jul 1;331(1):127-33. [Content Brief]

[5]. Paula B M Luís, et al. Role of isovaleryl-CoA dehydrogenase and short branched-chain acyl-CoA dehydrogenase in the metabolism of valproic acid: implications for the branched-chain amino acid oxidation pathway. Drug Metab Dispos. 2011 Jul;39(7):1155-60. [Content Brief]

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