Question

Which of the following is a correct relation?

(a) Ka [L] = ^ [PL] ⁄ [P]

(b) Ka [L] = ^[P] ⁄ [PL]

(c) Ka [L] = [PL] × [P]

(d) Ka [PL] = ^[L] ⁄ [P]

I got this question during an interview.

I'm obligated to ask this question of Reversible Binding of a Protein to a Ligand: Oxygen-Binding Proteins topic in portion Three Dimensional Structure Of Proteins and Protein Function of Biochemistry

Answer 1

Right choice is (a) Ka [L] = ^ [PL] ⁄ [P]

Easy explanation: The term Ka is an association constant

Ka [L] = ^[PL] ⁄ [P] [L].