PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11856753-0 2002 Aspartic acid residues 72 and 75 and tyrosine-sulfate 73 of heparin cofactor II promote intramolecular interactions during glycosaminoglycan binding and thrombin inhibition. tyrosine O-sulfate 37-53 serpin family D member 1 Homo sapiens 60-79 3426230-2 1987 For quantification of sulfhydryl groups, the extinction coefficient of HCII was redetermined and found to be 0.593 ml mg-1 cm-1 using second-derivative spectroscopy and multicomponent analysis assuming 4, 10, and 2 residues of tryptophan, tyrosine, and tyrosine-O-sulfate per mole of protein, respectively. tyrosine O-sulfate 253-271 serpin family D member 1 Homo sapiens 71-75 3426230-3 1987 The results show that tyrosine-O-sulfate residues in HCII and in cholecystokinin peptide fragments (as model compounds) do not significantly contribute to the absorbance spectrum from 280 to 300 nm. tyrosine O-sulfate 22-40 serpin family D member 1 Homo sapiens 53-57