allosteric site

Medical Dictionary

allosteric site n.
The place on an enzyme where a molecule that is not a substrate may bind, thus changing the shape of the enzyme and influencing its ability to be active.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Allosteric site is always a great word to know.
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a gadget; dingus; thingumbob.
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