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Tosio Shida

Position
Professor
Faculty
Tex. Sci. Tech. Technology of Bioscience

SOAR Researcher Directory

Research Field

The mechanisms by which AP endonucleases recognize AP sites have been elucidated (Nucleic Acids Res., 34, 1552, 2006). The tryptophan residue in the vicinity of the catalytic site of the ExoIII family AP endonucleases plays a key role in the recognition of AP sites. The indole ring of a conserved tryptophan residue in the vicinity of the catalytic site intercalates into the DNA-pocket formed at an AP site. Trp-212 of ExoIII and Trp-280 of APE1 were critical to the AP endonuclease activity and binding to DNA containing an AP site.

 

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