Figure 4.

Z-Axis Positions of TMA-DPH Nitrogen and Hydrogen Atoms. Z-positions of the TMA-DPH nitrogen atom and the opposing end's hydrogen atom. a) "Inserted"; b) "Sandwiched"; c) "Halfway". An extra 1.9 Å in the z-direction should be factored in when considering the additional length of the nitrogen to its methyl hydrogens. Simulation parameters were identical to the DPH runs, with the exception of six chloride atoms being used instead of four.

Nelson et al. BMC Biophysics 2012 5:5   doi:10.1186/2046-1682-5-5
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