UDP-galactosyltransferase activity digalactosyldiacylglycerol synthase activity https://github.com/geneontology/go-ontology/issues/30193 molecular_function Wikipedia:Digalactosyldiacylglycerol_synthase UDP-galactose-dependent DGDG synthase activity UDP-galactose:3-(beta-D-galactosyl)-1,2-diacyl-sn-glycerol 6-alpha-galactosyltransferase activity EC:2.4.1.241 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. RHEA:10520 GO:0046481 UDP-galactose:MGDG galactosyltransferase activity MetaCyc:RXN-1225 DGDG synthase activity DGD1 KEGG_REACTION:R04469 DGD2 UDP-galactose-dependent digalactosyldiacylglycerol synthase activity