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. 2008 Feb 24;36(7):2379–2394. doi: 10.1093/nar/gkn082

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© 2008 The Author(s)

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.0/uk/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — Distribution of base pair step helical parameters averaged, for each snapshot, over the central 16-bp portion of each sequence. Translational parameters are in angstroms and rotational parameters in degrees. Values for parmbsc0 simulations are represented by lines; CHARMM27 values correspond to lines with points. For comparison, sequence-dependent average values based on crystal data (black) and values averaged over all available nmr data (magenta) are shown as straight vertical lines with 1 SD confidence intervals (dotted lines). Histograms were constructed using 50 bins between the maximum and minimum values for each parameter.