Cover: A comparison of the binding of mithramycin A (plum) and mithramycin SK (gold) to a DNA decamer. The magnesium, in the Mg2+-coordinated antibiotic dimers, is shown as a cyan sphere, whilst the DNA schematic structure is presented using NDB database standard colours. See the paper by Barceló et al. (2007) Nucleic Acids Res., 35, 2215-2226.
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