Sulfation of tyrosine residues in the aminoterminal domain of platelet glycoprotein lb influences von Willebrand factor and a thrombin binding and can be detected with a monoclonal antibody - Marchese, P; Murata, M; Mazzucato, M; Pradella, P; De, Marco L; Ware, J; Ruggeri, Z M (J Biol Chem, 1995)