antibody combining site
Also found in: Dictionary, Thesaurus, Medical, Financial.
antibody combining site[¦an·tə‚bäd·ē kəm′bīn·iŋ ‚sīt]
(cell and molecular biology)
The portion of an antibody molecule that makes physical contact with the corresponding antigenic determinant.
The portion of an antigen that makes physical contact with the corresponding antibody. Also known as antibody binding site.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.