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. Author manuscript; available in PMC: 2017 Jul 16.
Published in final edited form as: J Phys Chem B. 2016 Aug 12;120(34):8837–8844. doi: 10.1021/acs.jpcb.6b05625

Figure 2.

Figure 2

The numbers of crowders inside the ISB and the free energy changes calculated with the different box widths. (a) The number of crowding spheres in the ISB for the different box widths. The results for calculated for a 12-bp RNA helix in a solution of crowders with (fixed) volume fraction (fc = .2) and ions with 0.1M NaCl and 0.01M MgCl2. (b) The predicted hydration energy ΔGsurface (gray), electrostatic energy ΔGele (red), and the total energy ΔGtot (blue) for the same system as in (a).