Fig. 1
From: Biosynthesis of aromatic polyketides in microorganisms using type II polyketide synthases
Catalytic reaction of PKSs. a Iterative type I PKSs; b Modular type I PKSs; c Type II PKSs; d Typical type III PKSs use acyl-CoA as the starter unit and malonyl-CoA as the extender unit. KS ketoacyl synthase, AT acyltransferase, DH dehydratase, ER enoylreductase, KR ketoreductase, ACP acyl carrier protein, TE thioesterase, CYC cyclase, ARO aromatase, CHS chalcone synthase, STS stilbene synthase, AS acridone synthase