PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2511543-9 1989 Removal of N-linked oligosaccharides from jejunum and colonic forms of L-Ph produced bands on SDS-PAGE with identical mobility, suggesting that the proteins were the same. n-linked oligosaccharides 11-36 lactase Rattus norvegicus 71-75