active site

active site   n.  The part of an enzyme at which catalysis of the substrate occurs.

active site

The part of an enzyme or antibody where a chemical reaction occurs.

Main Entry: active site
Function: noun
: a region especially of a biologically active protein (as an enzyme) where catalytic activity takes place and whose shape permitsthe binding only of a specific reactant molecule

active site n.
The part of an enzyme molecule at which catalysis of the substrate occurs.

active site   The part of an enzyme where the catalytic activity on the substrate takes place. See more at enzyme.