... stackinginteraction of the residue with a DNA base, but islarge enough to indicate DNA binding in its proximity.Several experimental methods, including photocros-slinking, mutational analysis, ... Ohnishi T, Taki T, Hiraga S, Arita N & Morita T(1998) In vitro and in vivo potentiation of radiosensitiv-ity of malignant gliomas by antisense inhibition of theRAD51 gene. Biochem Biophys ... (1996) Differential proximityprobing of two DNA binding sites in the Escherichiacoli recA protein using photo-cross-linking methods.Biochemistry 35, 3563–3571.38 Passy SI, Yu X, Li Z, Radding...