2-methylacyl-CoA dehydrogenase

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2-methylacyl-CoA dehydrogenase
Identifiers
EC no. 1.3.99.12
CAS no. 85130-32-1
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MetaCyc metabolic pathway
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In enzymology, a 2-methylacyl-CoA dehydrogenase (EC 1.3.99.12) is an enzyme that catalyzes the chemical reaction

2-methylbutanoyl-CoA + acceptor 2-methylbut-2-enoyl-CoA + reduced acceptor

Thus, the two substrates of this enzyme are 2-methylbutanoyl-CoA and acceptor, whereas its two products are 2-methylbut-2-enoyl-CoA and reduced acceptor.

This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-CH group of donor with other acceptors. The systematic name of this enzyme class is 2-methylbutanoyl-CoA:acceptor oxidoreductase. Other names in common use include branched-chain acyl-CoA dehydrogenase, 2-methyl branched chain acyl-CoA dehydrogenase, and 2-methylbutanoyl-CoA:(acceptor) oxidoreductase. This enzyme participates in valine, leucine and isoleucine degradation.

Related Research Articles

<span class="mw-page-title-main">Beta oxidation</span> Process of fatty acid breakdown

In biochemistry and metabolism, beta oxidation (also β-oxidation) is the catabolic process by which fatty acid molecules are broken down in the cytosol in prokaryotes and in the mitochondria in eukaryotes to generate acetyl-CoA, which enters the citric acid cycle, and NADH and FADH2, which are co-enzymes used in the electron transport chain. It is named as such because the beta carbon of the fatty acid undergoes oxidation to a carbonyl group. Beta-oxidation is primarily facilitated by the mitochondrial trifunctional protein, an enzyme complex associated with the inner mitochondrial membrane, although very long chain fatty acids are oxidized in peroxisomes.

Acyl-CoA dehydrogenases (ACADs) are a class of enzymes that function to catalyze the initial step in each cycle of fatty acid β-oxidation in the mitochondria of cells. Their action results in the introduction of a trans double-bond between C2 (α) and C3 (β) of the acyl-CoA thioester substrate. Flavin adenine dinucleotide (FAD) is a required co-factor in addition to the presence of an active site glutamate in order for the enzyme to function.

<span class="mw-page-title-main">Electron-transferring-flavoprotein dehydrogenase</span> Protein family

Electron-transferring-flavoprotein dehydrogenase is an enzyme that transfers electrons from electron-transferring flavoprotein in the mitochondrial matrix, to the ubiquinone pool in the inner mitochondrial membrane. It is part of the electron transport chain. The enzyme is found in both prokaryotes and eukaryotes and contains a flavin and FE-S cluster. In humans, it is encoded by the ETFDH gene. Deficiency in ETF dehydrogenase causes the human genetic disease multiple acyl-CoA dehydrogenase deficiency.

In enzymology, a 3-hydroxy-2-methylbutyryl-CoA dehydrogenase (EC 1.1.1.178) is an enzyme that catalyzes the chemical reaction

In enzymology, a 2-methyl-branched-chain-enoyl-CoA reductase (EC 1.3.8.5) is an enzyme that catalyzes the chemical reaction

<span class="mw-page-title-main">Acyl-CoA dehydrogenase (NADP+)</span> Class of enzymes

In enzymology, an acyl-CoA dehydrogenase (NADP+) (EC 1.3.1.8) is an enzyme that catalyzes the chemical reaction

In enzymology, a cis-2-enoyl-CoA reductase (NADPH) (EC 1.3.1.37) is an enzyme that catalyzes the chemical reaction

In enzymology, an enoyl-[acyl-carrier-protein] reductase (NADPH, A-specific) (EC 1.3.1.39) is an enzyme that catalyzes the chemical reaction

In enzymology, an enoyl-[acyl-carrier-protein] reductase (NADPH, B-specific) (EC 1.3.1.10) is an enzyme that catalyzes the chemical reaction

<span class="mw-page-title-main">Isovaleryl-CoA dehydrogenase</span>

In enzymology, an isovaleryl-CoA dehydrogenase is an enzyme that catalyzes the chemical reaction

In enzymology, a pimeloyl-CoA dehydrogenase (EC 1.3.1.62) is an enzyme that catalyzes the chemical reaction

In enzymology, a trans-2-enoyl-CoA reductase (NAD+) (EC 1.3.1.44) is an enzyme that catalyzes the chemical reaction

In enzymology, a trans-2-enoyl-CoA reductase (NADPH) (EC 1.3.1.38) is an enzyme that catalyzes the chemical reaction

In enzymology, a 2-oxoisovalerate dehydrogenase (acylating) (EC 1.2.1.25) is an enzyme that catalyzes the chemical reaction

In enzymology, a 3-methyl-2-oxobutanoate dehydrogenase (ferredoxin) (EC 1.2.7.7) is an enzyme that catalyzes the chemical reaction

In enzymology, a 4-hydroxy-3-methylbut-2-en-1-yl diphosphate synthase (HMB-PP synthase, IspG, EC 1.17.7.1) is an enzyme that catalyzes the chemical reaction

In enzymology, a cytokinin dehydrogenase (EC 1.5.99.12) is an enzyme that catalyzes the chemical reaction

Crotonyl-CoA reductase (EC 1.3.1.86, butyryl-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, CCR) is an enzyme with systematic name butanoyl-CoA:NADP+ 2,3-oxidoreductase. This enzyme catalyses the following chemical reaction

<span class="mw-page-title-main">Short-chain acyl-CoA dehydrogenase</span>

Short-chain acyl-CoA dehydrogenase is an enzyme with systematic name short-chain acyl-CoA:electron-transfer flavoprotein 2,3-oxidoreductase. This enzyme catalyses the following chemical reaction

Long-chain acyl-CoA dehydrogenase is an enzyme with systematic name long-chain acyl-CoA:electron-transfer flavoprotein 2,3-oxidoreductase. This enzyme catalyses the following chemical reaction

References


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