Competitive/Noncompetitive inhibition

Competitive inhibition:

- inhibitor competes with substrate for the active site, so it is said to be competitive

- inhibitor has a similar structure to substrate
- this means it can occupy the active site
- if it's in active site, then substrate cannot form enzyme substrate complexes
- this decreases rate of reaction, as less ESC are formed

- reduces rate of reaction but does not change the Vmax


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