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Allosteric enzymes are enzymes that change their shape, or conformation, upon binding of a modulator. The word allosteric comes from the Greek allos,'other' and 'stereos', 'shape'. An allosteric enzyme is an oligomer whose biological activity is affected by altering the conformation(s) of its tertiary structure. Allosteric enzymes tend to have several subunits. In some cases the regulatory site(s) and the active site are on separate subunits.
Additional recommended knowledge
Allosteric enzymes are regulatory enzymes.
An allosteric effector is a substance that modifies the behavior of an allosteric enzymes; it may be an allosteric inhibitor or allosteric activater.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Allosteric_enzyme". A list of authors is available in Wikipedia.|