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. Author manuscript; available in PMC: 2010 Apr 29.
Published in final edited form as: Nature. 2009 Oct 29;461(7268):1248–1253. doi: 10.1038/nature08473

Figure 5. The biophysical origins of the negative potential of narrow minor grooves.

Figure 5

Electrostatic potential in the minor groove of the MogR binding site (PDB code 3fdq)19, calculated in the presence of a dielectric boundary (ε=2 in solute and ε=80 in solvent – solid line) and in the absence of a boundary (ε= 80 in both solute and solvent – dashed line).