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. 2017 Jun 17;113(2):246–256. doi: 10.1016/j.bpj.2017.05.043

Table 2.

Values of Preferential Interaction Coefficients for Na+ and Cl Ions around the PDB: 1RNA Structure in Different NaCl Concentrations

NaCl Concentration (mM) Γ+ Γ Γ+ + |Γ|
10 15.8 ± 2.0 −1.0 ± 0.8 16.9 ± 2.1
100 19.8 ± 3.1 −3.9 ± 2.9 23.9 ± 3.0
1000 20.8 ± 7.5 −4.4 ± 7.4 27.9 ± 7.0

Values averaged over the last 200 ns of 1 μs simulation time. The local region around the RNA was defined as a sphere of 4 nm radius. The radius was chosen according to the RDF analysis (Fig. S6).