hinge region

Medical Dictionary

hinge region n.

  1. The portion of a crystalline form of tRNA that deforms to an L shape under electron microscopy.

  2. A short sequence of amino acids that lies at the base of each of the heavy chain regions of an immunoglobin thus allowing these regions to move freely of each other.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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