Term Name:	lactosylceramide 4-alpha-galactosyltransferase activity
Synonyms:	Gal-beta-(1,4)-Glc-beta-1-Cer alpha-(1,4)-galactosyltransferase activity, Gal-beta-1,4-Glc-beta-1-Cer alpha-1,4-galactosyltransferase activity, globotriaosylceramide/CD77 synthase activity, histo-blood group P(k) UDP-galactose activity, histo-blood group Pk UDP-galactose, lactosylceramide 4-a-galactosyltransferase activity, UDP-galactose:lactosylceramide 4II-alpha-D-galactosyltransferase activity
Definition:	Catalysis of the reaction: beta-D-galactosyl-(1,4)-D-glucosylceramide + UDP-galactose = alpha-D-galactosyl-(1,4)-beta-D-galactosyl-(1,4)-D-glucosylceramide + UDP.
Ontology:	GO: Molecular Function [GO:0050512]    QuickGO    AmiGO