Article
PI-PfuI and PI-PfuII, intein-coded homing endonucleases from Pyrococcus furiosus. II. Characterization Of the binding and cleavage abilities by site-directed mutagenesis.
Nucleic acids research - 1 Nov 1999
Komori K, Ichiyanagi K, Morikawa K, Ishino Y
Abstract excerpt
PI- Pfu I and PI- Pfu II from Pyrococcus furiosus are homing endonucleases, as shown in the accompanying paper. These two endonucleases are produced by protein splicing from the precursor protein including ribonucleotide reductase (RNR). We show here that both enzymes specifically interact with their substrate DNA and distort the DNA strands by 73 degrees and 67 degrees, respectively. They have two copies of the...
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