PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6860759-7 1983 For glycoprotein and mucin, binding is taken to occur via the sialic acid carboxylate groups and for amylase via the imidazole groups of the histidine residues. Histidine 141-150 LOC100508689 Homo sapiens 21-26