lactosylceramide beta-1,3-galactosyltransferase; uridine diphosphogalactose-lactosylceramide beta1->3-galactosyltransferase; UDP-galactose:D-galactosyl-1,4-beta-D-glucosyl-R beta-1,3-galactosyltransferase; UDP-galactose:D-galactosyl-(1->4)-beta-D-gl • • •