Source:http://linkedlifedata.com/resource/umls/id/C1324920
GO: Catalysis of the reaction: phosphate + beta-D-galactopyranosyl-(1->3)-N-acetyl-D-glucosamine = N-acetyl-D-glucosamine + alpha-D-galactopyranose 1-phosphate. [EC:2.4.1.211, MetaCyc:2.4.1.211-RXN]