مصادر الكيمياء موقع لتعليم الكيمياء بصورة مبسطة
An enzyme that has two structurally distinct forms, one of which is active and the other inactive. In the active form, the quaternary structure of the enzyme is such that a substrate can interact with the enzyme at the active site. The conformation of the substrate-binding site becomes altered in the inactive form and interaction with the substrate is not …
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