B-glucogallin_O-galloyltransferase

Beta-glucogallin O-galloyltransferase

Beta-glucogallin O-galloyltransferase

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In enzymology, a beta-glucogallin O-galloyltransferase (EC 2.3.1.90) is an enzyme that catalyzes the chemical reaction

2 1-O-galloyl-beta-D-glucose D-glucose + 1-O,6-O-digalloyl-beta-D-glucose
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Hence, this enzyme has one substrate, 1-O-galloyl-beta-D-glucose, and two products, D-glucose and 1-O,6-O-digalloyl-beta-D-glucose.

This enzyme belongs to the family of transferases, specifically those acyltransferases transferring groups other than aminoacyl groups. The systematic name of this enzyme class is 1-O-galloyl-beta-D-glucose:1-O-galloyl-beta-D-glucose O-galloyltransferase.

References

    • Denzel K, Schilling G, Gross GG (1988). "Biosynthesis of gallotannins - enzymatic conversion of 1,6-digalloylglucose to 1,2,6-trigalloylglucose". Planta. 176: 135–137. doi:10.1007/BF00392489. PMID 24220744.
    • Gross, GG (1983). "Synthesis of mono-galloyl-beta-D-glucose di-galloyl-beta-D-glucose and trigalloyl-beta-D-glucose by beta-glucogallin-dependent galloyltransferases from oak leaves". Z. Naturforsch. C. 38: 519–523.


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