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Protein-Ligand Equilibrium Constants

8. Protein Function / Protein-Ligand Equilibrium Constants / Problem 2

Problem 2

Given the rate constants ka = 2 x 10^6 M^-1s^-1 and kd = 5 x 10^-3 s^-1, calculate the protein ligand association equilibrium constant (Ka).

A

1 x 10^3 M^-1

B

4 x 10^8 M^-1

C

5 x 10^3 M^-1

D

2.5 x 10^3 M^-1