Richard Willson's laboratory works on biomolecular recognition, and its applications in separations and molecular diagnostics. Professor Willson is interested in the structural determinants of molecular recognition in complexes of proteins with recognition agents such as monoclonal antibodies and aptamers. The primary techniques used in the laboratory are expression, mutagenesis, fluorescence anisotropy (kinetics), and titration calorimetry. Topics of current interest include the recognition of hen egg lysozyme by a 'homologous series' of antibodies differing in combining site rigidity and cross-reactivity (with S. Smith-Gill of NIH), and the biophysical chemistry of aptamer/protein recognition (with A. Ellington of UT-Austin). A second main focus of the lab is the formulation of novel molecular diagnostics and sensors.
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