active site

noun

Definition of active site

: a region on the surface of an enzyme whose shape permits binding only of a specific molecular substrate that then undergoes catalysis

First Known Use of active site

1957


Medical Dictionary

active site

noun

medical Definition of active site

: a region especially of a biologically active protein (as an enzyme) where catalytic activity takes place and whose shape permits the binding only of a specific reactant molecule

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something that impedes or restrains

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