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Updated: May 19, 2026

From a Natural Product to Its Biosynthetic Gene Cluster: A Demonstration Using Polyketomycin from Streptomyces diastatochromogenes Tü6028
Published on: January 13, 2017
The Botrytis cinerea type III polyketide synthase shows unprecedented high catalytic efficiency toward long chain
Marimuthu Jeya1, Tae-Su Kim, Manish Kumar Tiwari
1Department of Chemical Engineering, Konkuk University, Seoul 143-701, Korea.
Abstract:
BPKS from Botrytis cinerea is a novel type III polyketide synthase that accepts C(4)-C(18) aliphatic acyl-CoAs and benzoyl-CoA as the starters to form pyrones, resorcylic acids and resorcinols through sequential condensation with malonyl-CoA. The catalytic efficiency (k(cat)/K(m)) of BPKS was 2.8 × 10(5) s(-1) M(-1) for palmitoyl-CoA, the highest ever reported. Substrate docking analyses addressed the unique features of BPKS such as its high activity and high specificity toward long chain acyl-CoAs.
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