Fab region(redirected from Fragment antigen binding)
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Related to Fragment antigen binding: antigen-binding site
Fab region[′fab ‚rē·jən]
Region of an antibody molecule that contains the antigen binding site; Fab is derived from the term antigen binding fragment.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.