Allosteric site

allosteric site
(al-oh-steer-ik)
A specific receptor site on an enzyme molecule remote from the active site. Molecules bind to the allosteric site and change the shape of the active site, making it either more or less receptive to the substrate.
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In biochemistry, allosteric regulation is the regulation of an enzyme or protein by binding an effector molecule at the protein's allosteric site (that is, ...
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In biochemistry, an enzyme or other protein is allosteric if its activity or efficiency changes in response to the binding of an effector molecule at a so-called allosteric site.
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allosteric site The specific site on the surface of an allosteric enzyme molecule (distinct from the active site) to which a modulator molecule binds. a1-microglobulin 26.
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The binding of an inhibitor to an allosteric site is usually temporary. Poisons are inhibitors that bind irreversibly. For example, penicillin inhibits an enzyme needed by bacteria to build the cell wall.
Feedback Inhibition ...
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and irreversible (i.e.antagonist binds covalently to the agonist binding site, and no amount of agonist can overcome the inhibition). Other types of antagonism are non-competitive antagonism where the antagonist binds to an allosteric site on the ...
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