PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34186233-1 2021 O-GlcNAcylation is a dynamic post-translational modification mediated by O-linked beta-N-acetylglucosamine transferase (OGT) and O-GlcNAc hydrolase (OGA), that adds or removes a single beta-N-acetylglucosamine (GlcNAc) moiety to or from serine/threonine residues of nucleocytosolic and mitochondrial proteins, respectively. Serine 237-243 O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens 120-123