PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 811254-3 1975 The synthesis of a NAG analogue, N-diazoacetyl-glucosamine (diazoNAG), was carried out, and the molecule was demonstrated to be an active galactose acceptor in the lactose synthetase reaction. Galactose 138-147 N-acetyl-alpha-glucosaminidase Homo sapiens 19-22