TABLE 3

Average parameter estimates (n = 100 repeats) for time-dependent inhibition with Michaelis-Menten kinetics

Data were simulated with the following parameters: KI = 10 µM, kinact = 0.025 min−1.

Model (% Error in Simulated Data)ParameterNumerical MethodaReplot Methoda
MM (10%)KI8.6–10.83.9–28.5
kinact0.020–0.0280.019–0.034
kinact/KI0.0011–0.00560.0013–0.0073
MM (5%)KI9.4–10.46.7–16.4
kinact0.023–0.0270.023–0.029
kinact/KI0.0024–0.00260.0017–0.0040
MM (2.5%)KI9.7–10.37.6–12.1
kinact0.024–0.0260.024–0.027
kinact/KI0.0024–0.00260.0020–0.0032
  • MM, Michaelis-Menten.

  • a Data are represented as a range of ±1 S.D. determined from the log normal distribution of 100 runs.