PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 26075789-1 2015 O-GlcNAcylation is a posttranslational modification catalyzed by the O-Linked N-acetylglucosamine (O-GlcNAc) transferase (OGT) and reversed by O-GlcNAcase (OGA). o-linked n-acetylglucosamine 69-97 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 122-125