Skip to main content

Table 2.

Kinetic analysis of the inhibitory effects of coenzyme Q1 (CoQ1) on the activities of DNA polymerase γ, as a function of the DNA template‐primer dose and the dNTP substrate concentration

Substrate CoQ1 (µM) Km (µM) Vmax (pmol/h) Ki (µM) Inhibitory mode
DNA template‐primer  0  41.7
 5.0 6.06  13.0 5.0 Competitive
 10  7.69
 15  5.43
dNTP substrate  0  47.6
 5.0 1.54  20.4 3.3 Competitive
 10  12.8
 15  9.26

Poly(dA)/oligo(dT)12−18.

dTTP. The amount of calf polymerase γ in the assay mixture was 0.05 units. Ki, inhibition constant; Km, Michaelis constant; Vmax, maximum velocity.