label: beta-glucogallin-tetrakisgalloylglucose O-galloyltransferase activity
label_lc: beta-glucogallin-tetrakisgalloylglucose o-galloyltransferase activity
description: "Catalysis of the reaction: 1,2,3,6-tetrakis-O-galloyl-beta-D-glucose + 1-O-galloyl-beta-D-glucose = 1,2,3,4,6-pentakis-O-galloyl-beta-D-glucose + D-glucose."