Gilbert Chu

Publication Details

  • Electrophoretic mobility shift assays to study protein binding to damaged DNA. Methods in molecular biology (Clifton, N.J.) Smider, V., Hwang, B. J., Chu, G. 2006; 314: 323-344

    Abstract:

    The electrophoretic mobility shift assay (EMSA) can be used to identify proteins that bind specifically to damaged DNA. EMSAs detect the presence of key DNA repair proteins, such as ultraviolet (UV)-damaged DNA binding protein, which is involved in nucleotide excision repair, and Ku and DNA-PKcs, which are involved in double-strand break repair. This chapter describes EMSA protocols for detecting proteins that bind to UV-damaged DNA, cisplatin-damaged DNA, and DNA ends. The chapter also describes variations of the EMSA that can be used to obtain additional information about these important proteins. The variations include the reverse EMSA, which can detect binding of 35S-labeled protein to damaged DNA, and the antibody supershift assay, which can define the composition of protein-DNA complexes.

    View details for PubMedID 16673891

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