4

You would not expect the same enzyme from different tissues to have different Km values if the enzymes are truly identical. In addition, you would not expect the Km value to change during purification: the Michaelis constant for the purified enzyme should be the same as that determined with a crude sample. If this is not true, it might mean that the ...


3

It sounds like you are asking about what are commonly referred to as "multifunctional enzymes". For a reasonably recent article covering this subject — see: Cheng, X. Y., Huang, W. J., Hu, S. C., Zhang, H. L., Wang, H., Zhang, J. X., ... & Ji, Z. L. (2012). A global characterization and identification of multifunctional enzymes. PloS one, 7(6), ...


2

If you apply quasi-steady state approximation for the complexes then you will get three equations for each of the complexes. Then you have to use the conservation law for enzyme to obtain the equation with respect to just substrate and inhibitor. If you try solving these algebraic equations, it gets very complex and difficult to solve by hand. However, in ...


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