Monitoring Assembly of Ribonucleoprotein Complexes by Isothermal Titration Calorimetry
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Isothermal titration calorimetry (ITC) is a useful technique to study RNA-protein interactions as it provides the only method by which the thermodynamic parameters of free energy, enthalpy, and entropy can be directly determined. This chapter presents a general procedure for studying RNA-protein interactions using ITC and gives specific examples for monitoring the binding of Caenorhabditis elegans GLD-1 STAR domain to TGE RNA and the binding of Aquifex aeolicus S6:S18 ribosomal protein heterodimer to an S15-ribosomal RNA complex.
