Mycothiol-dependent formaldehyde dehydrogenase

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mycothiol-dependent formaldehyde dehydrogenase
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EC no. 1.1.1.306
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In enzymology, a mycothiol-dependent formaldehyde dehydrogenase (EC 1.1.1.306) is an enzyme that catalyzes the chemical reaction

formaldehyde + mycothiol + NAD+ S-formylmycothiol + NADH + 2 H+

The 3 substrates of this enzyme are formaldehyde, mycothiol, and NAD+, whereas its 3 products are S-formylmycothiol, NADH, and H+. [1] [2] [3] [4] This enzyme catalyses the following chemical reaction

This enzyme belongs to the family of oxidoreductases, specifically those acting on the aldehyde or oxo group of donor with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is formaldehyde:NAD+ oxidoreductase (mycothiol-formylating). This enzyme is also called NAD/factor-dependent formaldehyde dehydrogenase or S-(hydroxymethyl)mycothiol dehydrogenase.

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References

  1. ↑ Misset-Smits M, van Ophem PW, Sakuda S, Duine JA (June 1997). "Mycothiol, 1-O-(2'-[N-acetyl-L-cysteinyl]amido-2'-deoxy-alpha-D-glucopyranosyl)-D- myo-inositol, is the factor of NAD/factor-dependent formaldehyde dehydrogenase". FEBS Letters. 409 (2): 221–2. doi: 10.1016/S0014-5793(97)00510-3 . PMID   9202149.
  2. ↑ Norin A, Van Ophem PW, Piersma SR, Persson B, Duine JA, Jörnvall H (September 1997). "Mycothiol-dependent formaldehyde dehydrogenase, a prokaryotic medium-chain dehydrogenase/reductase, phylogenetically links different eukaroytic alcohol dehydrogenases--primary structure, conformational modelling and functional correlations". European Journal of Biochemistry. 248 (2): 282–9. doi: 10.1111/j.1432-1033.1997.00282.x . PMID   9346279.
  3. ↑ Vogt RN, Steenkamp DJ, Zheng R, Blanchard JS (September 2003). "The metabolism of nitrosothiols in the Mycobacteria: identification and characterization of S-nitrosomycothiol reductase". The Biochemical Journal. 374 (Pt 3): 657–66. doi:10.1042/BJ20030642. PMC   1223637 . PMID   12809551.
  4. ↑ Rawat M, Av-Gay Y (April 2007). "Mycothiol-dependent proteins in actinomycetes". FEMS Microbiology Reviews. 31 (3): 278–92. doi: 10.1111/j.1574-6976.2006.00062.x . PMID   17286835.


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