Figure 4From: Structural analysis of hemicatenated DNA loopsAnalysis of hcDNA with hydroxylamine. hcDNA was 5'-end-labelled at the Eco RI site and treated with hydroxylamine as described in Materials and Methods. G+A: G+A size marker; (-): control, no hydroxylamine added; (+): sample incubated with hydroxylamine. A scan of the hydroxylamine-treated sample is also shown.Back to article page