Barry Imhoff

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HU is one of the most abundant DNA binding proteins in Escherichia coli. We find that it binds strongly to DNA containing an abasic (AP) site or tetrahydrofuran (THF) (apparent K(d) approximately 50 nM). It also possesses an AP lyase activity that cleaves at a deoxyribose but not at a THF residue. The binding and cleavage of an AP site was observed only(More)
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