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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Analysis Of Foki Cleavage Resistance Observed In Dna Sequences Generated Via The Combinatorial Selection Method, Repsa, Andre Berry
Master of Science in Chemical Sciences Theses
FokI is a thoroughly investigated and highly utilized restriction endonuclease that recognizes the DNA sequence, 5’-GGATG-3’, and cleaves outside of this site 9 and 13 base-pairs downstream. The shifted cleavage function possessed by this kind of endonuclease is utilized in many applications including the combinatorial selection method, REPSA. FokI employment in the REPSA procedure has demonstrated the tendency to select for an unmodified sequence that possesses the recognition site yet is refractory to cleavage by the enzyme. Sequencing of the cleavage resistant DNA has revealed the inhibitory event to be induced by the presence of an additional inversely oriented recognition …