(R)-2-hydroxyacid dehydrogenase

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

(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

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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.


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