PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 14521605-10 2003 We examined the 125I-labeled VWF binding using a series of recombinant GPIbalpha fragments with different residues at position 233 (G233S, G233A, G233K, and G233D) together with naturally occurring mutations previously reported in patients (G233V and M239V). Iodine-125 16-20 von Willebrand factor Homo sapiens 29-32