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. Author manuscript; available in PMC: 2010 May 14.
Published in final edited form as: J Phys Chem B. 2009 May 14;113(19):6971–6985. doi: 10.1021/jp9010372

Figure 13. Breaking of the Asp128:Biotin hydrogen bond observed in the solution-phase simulation, correlated with water intercalation.

Figure 13

The distance between the Biotin N1 and the nearest Oδ atom of Asp128 is shown for each streptavidin monomer (S1, S2, S3, and S4, as labeled in the top left corner of each panel). If a water molecule intercalates the hydrogen bond, the bar over the top of the plot is colored black; otherwise it is white.