digalactosyldiacylglycerol synthase activity
Catalysis of the reaction: 1,2-diacyl-3-beta-D-galactosyl-sn-glycerol + UDP-D-galactose = 3-[alpha-D-galactosyl-(1->6)-beta-D-galactosyl]-1,2-diacyl-sn-glycerol + H+ + UDP.
GO:0035250
UDP-galactosyltransferase activity
is_a
DGD1
narrow
DGD2
narrow
DGDG synthase activity
broad
UDP-galactose-dependent DGDG synthase activity
related
UDP-galactose-dependent digalactosyldiacylglycerol synthase activity
related
UDP-galactose:3-(beta-D-galactosyl)-1,2-diacyl-sn-glycerol 6-alpha-galactosyltransferase activity
related
UDP-galactose:MGDG galactosyltransferase activity
exact