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. 2007 Mar 21;2(3):e301. doi: 10.1371/journal.pone.0000301

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This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration, which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

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Electron density maps confirming the molecular replacement solution. (A) Superposition of the anomalous difference Fourier map calculated using Cys426 data collected on the chromium edge contoured at 3.5σ with the final refined model of ParC55. Panels were rendered using Coot [46]. (B) Stereo view of a region of the 2F_obs-F_calc electron density map from wild-type ParC55 data contoured at 1.5σ with the final refined model superimposed.