Journal
BIOCHEMICAL JOURNAL
Volume 388, Issue -, Pages 889-894Publisher
PORTLAND PRESS LTD
DOI: 10.1042/BJ20041983
Keywords
epitope mapping; beta-lactamase; phage display; transglutaminase
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In the present paper, we describe a novel approach to map monoclonal antibody epitopes, using three new monoclonal antibodies that recognize h-TG2 (human transglutaminase 2) as an example. The target gene was fragmented and cloned upstream of an antibiotic-resistance gene, in the vector pPAO2, to select for in-frame polypeptides. After removal of the antibiotic-resistance gene by Cre/Lox recombination, an antigen fragment phage display library was created and selected against specific monoclonal antibodies. Using the h-TG2 fragment library, we were able. to identify epitopes. This technique can also be broadly applied to the study of protein-protein interactions.
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