Journal of the American Chemical Society 2006-08-16

The bifunctional glyceryl transferase/phosphatase OzmB belonging to the HAD superfamily that diverts 1,3-bisphosphoglycerate into polyketide biosynthesis.

Pieter C Dorrestein, Steven G Van Lanen, Wenli Li, Chunhua Zhao, Zixin Deng, Ben Shen, Neil L Kelleher

文献索引：J. Am. Chem. Soc. 128(32) , 10386-7, (2006)

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摘要

The HAD superfamily protein OzmB from the oxazolomycin biosynthetic pathway is shown to divert the primary metabolite 1,3-diphosphoglycerate into the polyketide biosynthetic pathway as glycerate via loading of a carrier protein. Each of the steps-activation of d-3-phosphoglycerate, dephosphorylation while attached to a cysteine on OzmB, and subsequent transfer of glycerate to the phosphopantetheinyl thiol of an acyl carrier protein-was monitored by nanospray Fourier transform mass spectrometry. This activation of phosphoglycerate represents a general mechanism of diverting glycolytic metabolites into glyceryl-derived polyketides.

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  • 互变霉素

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