Respuesta :

Answer:

600nM

Explanation:

  • From Concentration of Ligand = Ykd/1 - Y
  • where Kd = 400nM.
  • fraction of ligand bound Y = 0.60

  • Plugging the values of Y and Kd;
  • Concentration = 0.6 x 400 / 1 - 0.6
  • Concentration = 600 x 10^-9
  • = 600nM