PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3360239-2 1988 We have investigated the mechanism for the appearance of the disaccharide at the cell surface of ascites 13762 rat mammary adenocarcinoma cells using pulse-chase glucosamine labeling, proteolysis, and PNA precipitation of the cell-surface sialomucin ASGP-1. Disaccharides 61-73 mucin 4, cell surface associated Rattus norvegicus 250-256