PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20079467-2 2010 An O-linked trisaccharide has been allocated to the threonine residue at position 420 in two of the three most common isoforms of Gc globulin (Gc1s and Gc1f). o-linked trisaccharide 3-25 solute carrier family 25 member 22 Homo sapiens 143-146