immunoprecipitation
(redirected from Pull down assay)Also found in: Dictionary, Medical.
immunoprecipitation
[‚im·yə·nō·prə‚sip·ə′tā·shən] (immunology)
A protein purification method which involves the formation of an antibody-protein complex to separate out the protein of interest.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.