The Enzyme Database

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EC 1.1.1.413     
Accepted name: A-factor type γ-butyrolactone 1′-reductase (1S-forming)
Reaction: a (3R,4R)-3-[(1S)-1-hydroxyalkyl]-4-(hydroxymethyl)oxolan-2-one + NADP+ = a (3R,4R)-3-alkanoyl-4-(hydroxymethyl)oxolan-2-one + NADPH + H+
Glossary: a (3R,4R)-3-[(1S)-1-hydroxyalkyl]-4-(hydroxymethyl)oxolan-2-one = a VB type γ-butyrolactone
a (3R,4R)-3-alkanoyl-4-(hydroxymethyl)oxolan-2-one = an A-factor type γ-butyrolactone
Other name(s): barS1 (gene name)
Systematic name: (3R,4R)-3-[(1S)-1-hydroxyalkyl]-4-(hydroxymethyl)oxolan-2-one:NADP+ 1′-oxidoreductase
Comments: The enzyme, which is found in bacteria that produce virginiae-butanolide (VB) type γ-butyrolactone autoregulators, reduces its substrate stereospecifically, forming a hydroxyl group in the (S) configuration.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Shikura, N., Yamamura, J. and Nihira, T. barS1, a gene for biosynthesis of a γ-butyrolactone autoregulator, a microbial signaling molecule eliciting antibiotic production in Streptomyces species. J. Bacteriol. 184 (2002) 5151–5157. [PMID: 12193632]
[EC 1.1.1.413 created 2017]
 
 


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