Epidermal growth factor binding sites on human erythrocytes in donors with different ABO blood groups.

Abstract excerpt

Analysis of epidermal growth factor (125J-EGF) binding to human red cells revealed the presence of two classes of binding sites with apparent equilibrium dissociation constants (app.Kd) in the 10(-10)-10(-9) M and in the 10(-8) M range, respectively. The number of binding sites/cell ranged between 600 and 2,400 for the high-affinity binding site and between 7,200 and 23,000 for the low-affinity site. No...

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