The biosynthesis of a phytotoxic glycopeptide of Corynebacterium insidiosum involves guanosine diphosphate-l-fucosyltransferase activity. This enzyme activity is most consistently associated with the cellular membranes fraction. The optimal pH for the transfer reaction is 7.5. The partially hydrolyzed toxin serves as an acceptor (primer) of l-fucose.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC246298PMC
http://dx.doi.org/10.1128/jb.115.2.668-672.1973DOI Listing

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