Reaction: 1-O-galloyl-β-D-glucose + 1,2,3,6-tetrakis-O-galloyl-β-D-glucose = D-glucose + 1,2,3,4,6-pentakis-O-galloyl-β-D-glucose
Other name(s): β-glucogallin-tetragalloylglucose 4-galloyltransferase; β-glucogallin:1,2,3,6-tetra-O-galloylglucose 4-O-galloyltransferase; β-glucogallin:1,2,3,6-tetra-O-galloyl-β-D-glucose 4-O-galloyltransferase
Systematic name: 1-O-galloyl-β-D-glucose:1,2,3,6-tetrakis-O-galloyl-β-D-glucose 4-O-galloyltransferase
Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 122653-70-7
References:
1. Cammann, J., Denzel, K., Schilling, G. and Gross, G.G. Biosynthesis of gallotannins: β-glucogallin-dependent formation of 1,2,3,4,6-pentagalloylglucose by enzymatic galloylation of 1,2,3,6-tetragalloylglucose. Arch. Biochem. Biophys. 273 (1989) 58-63. [PMID: 2757399]