(R)-2-hydroxyacid dehydrogenase

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(R)-2-hydroxyacid dehydrogenase
Identifiers
EC no. 1.1.1.272
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MetaCyc metabolic pathway
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In enzymology, a (R)-2-hydroxyacid dehydrogenase (EC 1.1.1.272) is an enzyme that catalyzes the chemical reaction

Contents

(2R)-3-sulfolactate + NAD(P)+ 3-sulfopyruvate + NAD(P)H + H+

The 3 substrates of this enzyme are (2R)-3-sulfolactic acid, NAD+, and NADP+, whereas its 4 products are 3-sulfopyruvic acid, NADH, NADPH, and H+. This enzyme is important in the metabolism of archaea, particularly their biosynthesis of coenzymes such as coenzyme M, tetrahydromethanopterin and methanofuran. [1]

This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is (R)-2-hydroxyacid:NAD(P)+ oxidoreductase. Other names in common use include (R)-sulfolactate:NAD(P)+ oxidoreductase, L-sulfolactate dehydrogenase, ComC, and (R)-sulfolactate dehydrogenase.

Structural studies

As of late 2007, only one structure has been solved for this class of enzymes, with the PDB accession code 1RFM.

Related Research Articles

A dehydrogenase is an enzyme belonging to the group of oxidoreductases that oxidizes a substrate by reducing an electron acceptor, usually NAD+/NADP+ or a flavin coenzyme such as FAD or FMN. Like all catalysts, they catalyze reverse as well as forward reactions, and in some cases this has physiological significance: for example, alcohol dehydrogenase catalyzes the oxidation of ethanol to acetaldehyde in animals, but in yeast it catalyzes the production of ethanol from acetaldehyde.

<span class="mw-page-title-main">Nicotinamide adenine dinucleotide</span> Chemical compound which is reduced and oxidized

Nicotinamide adenine dinucleotide (NAD) is a coenzyme central to metabolism. Found in all living cells, NAD is called a dinucleotide because it consists of two nucleotides joined through their phosphate groups. One nucleotide contains an adenine nucleobase and the other, nicotinamide. NAD exists in two forms: an oxidized and reduced form, abbreviated as NAD+ and NADH (H for hydrogen), respectively.

<span class="mw-page-title-main">4-Hydroxybutyrate dehydrogenase</span> Class of enzymes

In enzymology, a 4-hydroxybutyrate dehydrogenase (EC 1.1.1.61) is an enzyme that catalyzes the chemical reaction

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<span class="mw-page-title-main">Homoisocitrate dehydrogenase</span> Enzyme

In enzymology, a homoisocitrate dehydrogenase (EC 1.1.1.87) is an enzyme that catalyzes the chemical reaction

<span class="mw-page-title-main">L-gulonate 3-dehydrogenase</span>

In enzymology, a L-gulonate 3-dehydrogenase (EC 1.1.1.45) is an enzyme that catalyzes the chemical reaction

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<span class="mw-page-title-main">3alpha(or 20beta)-hydroxysteroid dehydrogenase</span> Class of enzymes

In enzymology, a 3alpha(or 20beta)-hydroxysteroid dehydrogenase (EC 1.1.1.53) is an enzyme that catalyzes the chemical reaction

<span class="mw-page-title-main">3-hydroxyacyl-CoA dehydrogenase</span> Enzyme

In enzymology, a 3-hydroxyacyl-CoA dehydrogenase (EC 1.1.1.35) is an enzyme that catalyzes the chemical reaction

In enzymology, 3-hydroxybutyrate dehydrogenase (EC 1.1.1.30) is an enzyme that catalyzes the chemical reaction:

In enzymology, a (+)-borneol dehydrogenase (EC 1.1.1.198) is an enzyme that increases the rate of, or catalyzes, the chemical reaction

In enzymology, an arogenate dehydrogenase [NAD(P)+] (EC 1.3.1.79) is an enzyme that catalyzes the chemical reaction

In enzymology, a 3alpha,7alpha,12alpha-trihydroxycholestan-26-al 26-oxidoreductase is an enzyme that catalyzes the chemical reaction:

<span class="mw-page-title-main">Aldehyde dehydrogenase (NAD+)</span>

In enzymology, an aldehyde dehydrogenase (NAD+) (EC 1.2.1.3) is an enzyme that catalyzes the chemical reaction

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In enzymology, a 2,4-diaminopentanoate dehydrogenase (EC 1.4.1.12) is an enzyme that catalyzes the chemical reaction

L-2-hydroxycarboxylate dehydrogenase (NAD<sup>+</sup>) Class of enzymes

L-2-hydroxycarboxylate dehydrogenase (NAD+) (EC 1.1.1.337, (R)-sulfolactate:NAD+ oxidoreductase, L-sulfolactate dehydrogenase, (R)-sulfolactate dehydrogenase, L-2-hydroxyacid dehydrogenase (NAD+), ComC) is an enzyme with systematic name (2S)-2-hydroxycarboxylate:NAD+ oxidoreductase. This enzyme catalyses the following chemical reaction

References

  1. Graupner M, Xu H, White RH (2000). "Identification of an archaeal 2-hydroxy acid dehydrogenase catalyzing reactions involved in coenzyme biosynthesis in methanoarchaea". J. Bacteriol. 182 (13): 3688–92. doi:10.1128/JB.182.13.3688-3692.2000. PMC   94539 . PMID   10850983.

Further reading