Mapping Homing Endonuclease Cleavage Sites Using In Vitro Generated Protein
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Mapping the precise position of endonucleolytic cleavage sites is a fundamental experimental technique used to describe the function of a homing endonuclease. However, these proteins are often recalcitrant to cloning and over-expression in biological systems because of toxicity induced by spurious DNA cleavage events. In this chapter we outline the steps to successfully express a homing endonuclease in vitro and use this product in nucleotide-resolution cleavage assays.
