Firefly luciferase is the enzyme that allows fireflies to il

Firefly luciferase is the enzyme that allows fireflies to illuminate their abdomens. Because this li… Show more Firefly luciferase is the enzyme that allows fireflies to illuminate their abdomens. Because this light generation is an ATP-requiring reaction, firefly luciferase can be used to test for the presence of ATP. In this way, luciferase can test for the presence of life. The coupled reactions are luciferin + O2 (“=” equilibrium symbol) oxyluciferin + light. ATP ⇌ AMP+PPi. If the overall ΔG of the coupled reaction is -4.90 kJ/mol , what is the equilibrium constant, K, of the first reactions at 25 ∘C ? The ΔG for the hydrolysis of ATP to AMP is −31.6 kJ/mol. Express your answer numerically. • Show less

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