alexa The interaction between human blood-coagulation factor VIII and von Willebrand factor. Characterization of a high-affinity binding site on factor VIII.


Journal of Blood Disorders & Transfusion

Author(s): Leyte A, Verbeet MP, BrodniewiczProba T, Van Mourik JA, Mertens K

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Abstract The interaction between human Factor VIII and immobilized multimeric von Willebrand Factor (vWF) was characterized. Equilibrium binding studies indicated the presence of multiple classes of Factor VIII-binding sites on vWF. The high-affinity binding (Kd = 2.1 x 10(-10) M) was restricted to only 1-2\% of the vWF subunits. Competition studies with monoclonal antibodies with known epitopes demonstrated that the Factor VIII sequence Lys1673-Arg1689 is involved in the high-affinity interaction with vWF.
This article was published in Biochem J and referenced in Journal of Blood Disorders & Transfusion

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