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sci.michaelis-menten-advanced Calculator
Fits Michaelis-Menten kinetics with inhibition to velocity-substrate data to determine inhibition type (competitive, uncompetitive, mixed) and Ki. Competitive inhibitors increase apparent Km without changing Vmax — uncompetitive inhibitors decrease both Km and Vmax proportionally.
Inputs
Substrate Concentration Mm
Amount per unit of time or per unit quantity. Check the denominator before interpreting.
Vmax Umol Min
Reference formula or conversion factor shown for context.
Km Mm
Reference formula or conversion factor shown for context.
Ki Mm
Reference formula or conversion factor shown for context.
Inhibitor Conc Mm
Reference formula or conversion factor shown for context.
Results
uninhibited velocity (µmol/min)
Sample size or count used in the calculation.
inhibited velocity (µmol/min)
Sample size or count used in the calculation.
fractional saturation V/Vmax
How close the system is to its capacity limit. Above 80% sustained saturation typically leads to queuing and latency spikes.
alpha (inhibition factor)
A dimensionless multiplier applied in the calculation.
apparent Km with inhibitor
Sample size or count used in the calculation.
v = Vmax[S] / (alpha*Km + [S])
pH of the solution. Below 7: acidic. 7: neutral. Above 7: basic (alkaline).