PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 26109616-16 2015 beta1,6-GlcNAc N-glycan was mainly located outside of the STB and CTB layer in normal villi and was expressed only rarely in the ESM villi. n-glycan 15-23 chitobiase Homo sapiens 66-69