allosterism
(ăl′ō-stĕr′ĭz′əm)- A change in the activity and conformation of an enzyme resulting from the binding of a compound at a site on the enzyme other than the active binding site.
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.