Term Name:	lactosylceramide beta-1,3-galactosyltransferase activity
Synonyms:	UDP-galactose:D-galactosyl-1,4-beta-D-glucosyl-R beta-1,3-galactosyltransferase activity, UDPgalactose:D-galactosyl-1,4-beta-D-glucosyl-R beta-1,3-galactosyltransferase activity, uridine diphosphogalactose-lactosylceramide beta1->3-galactosyltransferase activity
Definition:	Catalysis of the reaction: D-galactosyl-(1->4)-beta-D-glucosyl-R + UDP-D-galactose = D-galactosyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-R + H+ + UDP.
Ontology:	GO: Molecular Function [GO:0047240]    QuickGO    AmiGO