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The Escherichia coli PriA helicase complex with the double-stranded DNA (dsDNA), the location of the strong DNA-binding subsite, and the effect of the nucleotide cofactors, bound to the strong and weak nucleotide-binding site of the enzyme on the dsDNA affinity, have been analyzed using the fluorescence titration, analytical ultracentrifugation, and photo-cross-linking techniques. The total site size...
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