KEGG   ENZYME: 2.3.1.90Help
Entry
EC 2.3.1.90                 Enzyme                                 

Name
beta-glucogallin O-galloyltransferase
Class
Transferases;
Acyltransferases;
Transferring groups other than aminoacyl groups
BRITE hierarchy
Sysname
1-O-galloyl-beta-D-glucose:1-O-galloyl-beta-D-glucose O-galloyltransferase
Reaction(IUBMB)
2 1-O-galloyl-beta-D-glucose = D-glucose + 1-O,6-O-digalloyl-beta-D-glucose [RN:R00049]
Reaction(KEGG)
Substrate
1-O-galloyl-beta-D-glucose [CPD:C01158]
Product
D-glucose [CPD:C00031];
1-O,6-O-digalloyl-beta-D-glucose [CPD:C04101]
Comment
beta-Glucogallin can act as donor and as acceptor. Digalloylglucose can also act as acceptor, with the formation of 1-O,2-O,6-O-trigalloylglucose
History
EC 2.3.1.90 created 1986
Reference
1
  Authors
Denzel, K., Schilling, G. and Gross, G.G.
  Title
Biosynthesis of gallotannins - enzymatic conversion of 1,6-digalloylglucose to 1,2,6-trigalloylglucose.
  Journal
Planta 176 (1988) 135-137.
Reference
2
  Authors
Gross, G.G.
  Title
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.
  Journal
Z. Natursforsch. C: Biosci. 38 (1983) 519-523.
Other DBs
ExplorEnz - The Enzyme Database: 
IUBMB Enzyme Nomenclature: 
ExPASy - ENZYME nomenclature database: 
BRENDA, the Enzyme Database: 
CAS: 
87502-55-4

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