view article
Figure 3
The phenomenon illustrated in Fig. 2[link] explains why the Ramachandran plot of an automatically built model is usually poor. However, the errors tend to be small and randomly distributed, and therefore the model can usually be vastly improved by a single cycle of reciprocal space crystallographic refinement. Ramachandran plot of (a) the initial model of cellobiohydrolase I (Divne et al., 1994BB13), and (b) the model obtained after a single cycle of simulated-annealing refinement. In both plots, the pink areas represent the core regions as defined in (Kleywegt & Jones, 1996bBB50).

Journal logoSTRUCTURAL
BIOLOGY
ISSN: 2059-7983
Volume 54| Part 6| November 1998| Pages 1119-1131
doi:10.1107/S0907444998007100
Follow Acta Cryst. D
Sign up for e-alerts
E-alerts
Follow Acta Cryst. on Twitter
Twitter
Follow us on facebook
Facebook
Sign up for RSS feeds
RSS