allosteric transition
(redirected from allosteric change)Also found in: Medical.
allosteric transition
[¦a·lə¦stir·ik tranz′ish·ən] (biochemistry)
A reversible exchange of one base pair for another on a protein molecule that alters the properties of the active site and changes the biological activity of the protein.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.