PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25759815-1 2015 Chitosan is a polysaccharide composed of randomly distributed chains of beta-(1-4) D-glucosamine and N-acetyl-D-glucosamine. Polysaccharides 14-28 UDP-GlcNAc:betaGal beta-1,3-N-acetylglucosaminyltransferase 2 Homo sapiens 72-81