Beta-glucogallin-tetrakisgalloylglucose O-galloyltransferase
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In enzymology, a beta-glucogallin-tetrakisgalloylglucose O-galloyltransferase (EC 2.3.1.143) is an enzyme that catalyzes the chemical reaction
- 1-O-galloyl-beta-D-glucose + 1,2,3,6-tetrakis-O-galloyl-beta-D-glucose
D-glucose + 1,2,3,4,6-pentakis-O-galloyl-beta-D-glucose
Thus, the two substrates of this enzyme are 1-O-galloyl-beta-D-glucose and 1,2,3,6-tetrakis-O-galloyl-beta-D-glucose, whereas its two products are D-glucose and 1,2,3,4,6-pentakis-O-galloyl-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:1,2,3,6-tetrakis-O-galloyl-beta-D-glucose 4-O-galloyltransferase. Other names in common use include beta-glucogallin-tetragalloylglucose 4-galloyltransferase, beta-glucogallin:1,2,3,6-tetra-O-galloylglucose, 4-O-galloyltransferase, beta-glucogallin:1,2,3,6-tetra-O-galloyl-beta-D-glucose, and 4-O-galloyltransferase.
[edit] References
- IUBMB entry for 2.3.1.143
- BRENDA references for 2.3.1.143 (Recommended.)
- PubMed references for 2.3.1.143
- PubMed Central references for 2.3.1.143
- Google Scholar references for 2.3.1.143
- Cammann J, Denzel K, Schilling G, Gross GG (1989). "Biosynthesis of gallotannins: beta-glucogallin-dependent formation of 1,2,3,4,6-pentagalloylglucose by enzymatic galloylation of 1,2,3,6-tetragalloylglucose". Arch. Biochem. Biophys. 273: 58–63. doi:. PMID 2757399.
[edit] External links
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- The CAS registry number for this enzyme class is 122653-70-7.
[edit] Gene Ontology (GO) codes
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