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MmfL catalyses formation of a phosphorylated butenolide intermediate in methylenomycin furan biosynthesis
Chemical Communications ( IF 4.3 ) Pub Date : 2020-10-22 , DOI: 10.1039/d0cc05658h
Shanshan Zhou 1 , Nicolas R Malet , Lijiang Song , Christophe Corre , Gregory L Challis
Affiliation  

Using a combination of a synthetic substrate analogue and product standard, MmfL, a homologue of the γ-butyrolactone biosynthetic enzyme AfsA, was shown to catalyse the condensation of dihydroxyacetone phosphate with a β-ketoacyl thioester to form a phosphorylated butenolide intermediate in the biosynthesis of the methylenomycin furans, which induce methlenomycin antibiotic production in Streptomyces coelicolor A3(2). AfsA homologues are also involved in the biosynthesis of 2-akyl-4-hydroxy-3-methyl butenolide inducers of antibiotic production in other Streptomyces species, indicating that diverse signalling molecules are assembled from analogous phosphorylated butenolide intermediates.

中文翻译:

MmfL 催化亚甲霉素呋喃生物合成中磷酸化丁烯内酯中间体的形成

使用合成底物类似物和产品标准品的组合,γ-丁内酯生物合成酶 AfsA 的同系物 MmfL 被证明可催化磷酸二羟基丙酮与 β-酮酰基硫酯的缩合,在生物合成中形成磷酸化的丁烯内酯中间体。亚甲霉素呋喃,在天蓝色链霉菌A3(2) 中诱导甲烯霉素抗生素的产生。AfsA 同系物还参与其他链霉菌属物种抗生素生产的 2-akyl-4-hydroxy-3-methyl butenolide 诱导剂的生物合成,表明不同的信号分子由类似的磷酸化丁烯内酯中间体组装而成。
更新日期:2020-11-04
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