lactose synthase activity
Catalysis of the reaction: UDP-galactose + D-glucose = UDP + lactose.
GO:0035250
UDP-galactosyltransferase activity
is_a
UDP-galactose-glucose galactosyltransferase activity
related
UDP-galactose:D-glucose 4-beta-D-galactotransferase activity
related
UDPgalactose-glucose galactosyltransferase activity
related
UDPgalactose:D-glucose 4-beta-D-galactotransferase activity
related
lactose synthetase activity
related
uridine diphosphogalactose-glucose galactosyltransferase activity
related