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The effect of an inhibitor on an enzyme was tested and the experiment gave the results...

  1. The effect of an inhibitor on an enzyme was tested and the experiment gave the results below. Plot on Excel the data using a double-reciprocal plot (Lineweaver-Burke), determine Km and Vmax of the no inhibitor and each type of inhibitor and the type of inhibition that is occurring.

[S] µM      V (µmol/min) V (µmol/min) V (µmol/min)

                  with 0.0 nM    with 25 nM     with 50 nM

                  Inhibitor          Inhibitor          Inhibitor

______      ___________ ___________ ___________

                     0.4          0.22                0.21                 0.20

                     0.67        0.29                0.26                 0.24

                     1.00        0.32                0.30                 0.28

                     2.00        0.40                0.36                 0.32

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