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2.3.1.239: 10-deoxymethynolide synthase

This is an abbreviated version!
For detailed information about 10-deoxymethynolide synthase, go to the full flat file.

Word Map on EC 2.3.1.239

Reaction

malonyl-CoA
+ 5 (2S)-methylmalonyl-CoA + 5 NADPH + 5 H+ =
10-deoxymethynolide
 + 6 CoA + 6 CO2 + 5 NADP+ + 2 H2O

Synonyms

methymycin/picromycin polyketide synthase, picromycin/methymycin PKS, picromycin/methymycin polyketide synthase, PICS, PikAI, PikAIII, PikAIV, pikromycin PKS, pikromycin polyketide synthase, type I polyketide synthase PikAIV

ECTree

     2 Transferases
         2.3 Acyltransferases
             2.3.1 Transferring groups other than aminoacyl groups
                2.3.1.239 10-deoxymethynolide synthase

General Information

General Information on EC 2.3.1.239 - 10-deoxymethynolide synthase

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GENERAL INFORMATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
metabolism
-
the enzyme is involved in the biosynthesis of methymycin
physiological function
-
in modular type I polyketide synthases the presence of the three processing domains, i.e. ketoreductase (KR), dehydratase (DH), and enoylreductase (ER), are varied in each module, leading to a fully reduced, partially reduced, or unreduced segment on the polyketide chain. Dehydratase PikDH2 converts D-alcohol substrates to trans-olefin products. The reaction is reversible with equilibrium constants ranging from 1.2 to 2. The enzyme activity is robust, and PikDH2 can be used for the chemoenzymatic synthesis of unsaturated triketide products. PikDH2 shows remarkably strict substrate specificity and is unable to turn over substrates that are epimeric at the beta-, gamma-, or delta-position