PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 14757772-0 2004 Identification of the amino acid residues of the platelet glycoprotein Ib (GPIb) essential for the von Willebrand factor binding by clustered charged-to-alanine scanning mutagenesis. Alanine 153-160 von Willebrand factor Homo sapiens 99-120