The Enzyme Database

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EC 1.1.1.306     
Accepted name: S-(hydroxymethyl)mycothiol dehydrogenase
Reaction: S-(hydroxymethyl)mycothiol + NAD+ = S-formylmycothiol + NADH + H+
Glossary: mycothiol = 1-O-[2-(N2-acetyl-L-cysteinamido)-2-deoxy-α-D-glucopyranosyl]-1D-myo-inositol
Other name(s): NAD/factor-dependent formaldehyde dehydrogenase; mycothiol-dependent formaldehyde dehydrogenase
Systematic name: S-(hydroxymethyl)mycothiol:NAD+ oxidoreductase
Comments: S-hydroxymethylmycothiol is believed to form spontaneously from formaldehyde and mycothiol. This enzyme oxidizes the product of this spontaneous reaction to S-formylmycothiol, in a reaction that is analogous to EC 1.1.1.284, S-(hydroxymethyl)glutathione dehydrogenase.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 192140-85-5
References:
1.  Misset-Smits, M., Van Ophem, P.W., Sakuda, S. and Duine, J.A. Mycothiol, 1-O-(2′-[N-acetyl-L-cysteinyl]amido-2′-deoxy-α-D-glucopyranosyl)-D-myo-inositol, is the factor of NAD/factor-dependent formaldehyde dehydrogenase. FEBS Lett. 409 (1997) 221–222. [PMID: 9202149]
2.  Norin, A., Van Ophem, P.W., Piersma, S.R., Person, B., Duine, J.A. and Jornvall, H. Mycothiol-dependent formaldehyde dehydrogenase, a prokaryotic medium-chain dehydrogenase/reductase, phylogenetically links different eukaryotic alcohol dehydrogenase's - primary structure, conformational modelling and functional correlations. Eur. J. Biochem. 248 (1997) 282–289. [PMID: 9346279]
3.  Vogt, R.N., Steenkamp, D.J., Zheng, R. and Blanchard, J.S. The metabolism of nitrosothiols in the Mycobacteria: identification and characterization of S-nitrosomycothiol reductase. Biochem. J. 374 (2003) 657–666. [PMID: 12809551]
4.  Rawat, M. and Av-Gay, Y. Mycothiol-dependent proteins in actinomycetes. FEMS Microbiol. Rev. 31 (2007) 278–292. [PMID: 17286835]
[EC 1.1.1.306 created 2010 as EC 1.2.1.66, transferred 2010 to EC 1.1.1.306]
 
 


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