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. Author manuscript; available in PMC: 2014 Mar 1.
Published in final edited form as: Biomater Sci. 2013 Mar;1(3):276–284. doi: 10.1039/C2BM00140C

Figure 4. Fluctuation of the salt bridges within the dimer during the equilibrium at time-scales of hundreds of nanoseconds simulated by the coarse-grained model.

Figure 4

Panel a/b: Fluctuations of the distance between the mass center of the two amino acids involved in each of the salt bridge in non-salt condition (panel a) and for the solution with 0.5 M NaCl (panel b). Panel c: Statistical result (average ± standard deviation) for the distance of each of the salt bridge during the 200 ns equilibrium. Panel d: Amount of time the residue pair has been in an effective salt bridge state (< 8 Å for the coarse-grained model).