Your results confirmed that, for increasing modifier concentration:
- kcat increases as hyperbola
- 1/kcat decreases as hyperbola
- Km increases as hyperbola
For the final discrimination we exploit the dependence of kcat/Km on [X]. Choose one of the following three possibilities.
kcat/Km decreases as hyperbola
The sought mechanism is:
Hyperbolic mixed dual modification (inhibition→activation), HMxD(I/A)
Examples of HMxD(I/A)
kcat/Km is independent of modifier concentration
The sought mechanism is:
Hyperbolic catalytic activation, HCaA
Examples of HCaA
kcat/Km increases as hyperbola
The sought mechanism is:
Hyperbolic mixed, predominantly specific activation, HMx(Sp>Ca)A
Examples of HMx(Sp>Ca)A
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