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Effect of several polycations and protein combinations on Int-mediated HJ resolution directionality and extent. HJ were resolved with the indicated proteins in the presence of the indicated polycation. The dotted line indicates a product:substrate ratio of 1, i.e. no resolution bias. % Res, resolution. %Rec, recombination. In this experiment, recombination was only measured in the presence of spermidine. The average of two independent experiments is shown.
