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. 2006 Aug 21;34(16):4313–4323. doi: 10.1093/nar/gkl420

Figure 8.

Figure 8

DNA looping in the presence of two IRs in inverted and direct orientations. The relative frequency distribution of the amplitude of motion is shown for (a) DNAINV2423 with inverted repeated IRR (45 beads analysed in the absence and 50 in the presence of OrfAB[149]). (b) DNADIR2428 with directly repeated IRR in the presence (47 beads) or the absence (46 beads) of OrfAB[149] (in grey and black, respectively). The curves show the Gaussian fit or the triple Gaussian fit in the presence of OrfAB[149].