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An equilibrium dialysis experiment illustrated that the concentrations of the free ligand, bound ligand, and protein are 1.2x10^5 M, 5.4x10^-6 M, and 4.9x10^-6 M, respectively. Compute the dissociation constant for the reaction PL -->(Equilibrium sign) P+L . Presume there is one binding site per protein molecule.

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