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Figure 4
Polygon images (Urzhumtseva et al., 2009BB117) before (left) and after (right) re-refinement in phenix.refine for structures 1eic, 1g2y, 2elg and 2ppn. In all cases the polygon computed for structures before re-refinement in phenix.refine indicates one or more problems, for example high Rfree and Rwork and too small bond r.m.s.d. for 1eic or very high R factors and geometry deviations for 2elg (vertices are on the furthermost end of the histogram bar). Re-refinement in phenix.refine resulted in polygon vertices moved towards the center (squeezing the polygon) in most cases, indicating improvement of the corresponding model characteristics.

Journal logoSTRUCTURAL
BIOLOGY
ISSN: 2059-7983
Volume 68| Part 4| April 2012| Pages 352-367
https://doi.org/10.1107/S0907444912001308
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