GO:0046525

xylosylprotein 4-beta-galactosyltransferase activity

Details: 
Catalysis of the reaction: UDP-galactose + O-beta-D-xylosylprotein = UDP + 4-beta-D-galactosyl-O-beta-D-xylosylprotein. [EC:2.4.1.133]
Evidence Code: 
IEA