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Mycoplasma nucleoid lattice model. Lattice model (a) and relaxed model (b) for a bias value of 50%. The tube has a radius of 1 nm, corresponding approximately to a DNA double helix. The 44 plectonemes are colored sequentially around the circular genome from blue to red. (c) The two plectonemes with the smallest and largest volume, colored with one side of the superhelix in yellow and the other in green. (d) The short connecting segments between superhelical hairpins.
