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2.3.1.295: mycoketide-CoA synthase

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

Word Map on EC 2.3.1.295

Reaction

a medium-chain acyl-CoA
+ 5 malonyl-CoA + 5 (S)-methylmalonyl-CoA + 22 NADPH + 22 H+ =
a mycoketide-CoA
+ 10 CO2 + 10 CoA + 22 NADP+ + 11 H2O

Synonyms

pks12, polyketide synthase 12

ECTree

     2 Transferases
         2.3 Acyltransferases
             2.3.1 Transferring groups other than aminoacyl groups
                2.3.1.295 mycoketide-CoA synthase

Systematic Name

Systematic Name on EC 2.3.1.295 - mycoketide-CoA synthase

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SYSTEMATIC NAME
IUBMB Comments
malonyl-CoA/(S)-methylmalonyl-CoA:heptanoyl-CoA malonyltransferase (mycoketide-CoA-forming)
The enzyme, found in mycobacteria, is involved in the synthesis of beta-D-mannosyl phosphomycoketides. It is a very large polyketide synthase that contains two complete sets of FAS-like fatty acid synthase modules. It binds an acyl-CoA with 5-9 carbons as a starter unit, and extends it by five rounds of alternative additions of malonyl-CoA and methylmalonyl-CoA extender units. Depending on the starter unit, the enzyme forms mycoketide-CoAs of different lengths.