PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34102146-4 2022 Results identified haptoglobin as the protein associated with HexNAc4-Hex5-NeuAc2, thus directly linking glycan imaging with intact glycopeptide identification. Glycopeptides 132-144 haptoglobin Canis lupus familiaris 19-30