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. 2012 Dec 14;7(12):e49733. doi: 10.1371/journal.pone.0049733

Table 8. Top 10 RMSD values for GroES-GroEL with experimental data, after refinement.

ligand RMSD
Overall RMSD intra-ring inter-ring
GroEL GroEL GroEL GroEL cis- cis-
rank All GroES Cis trans GroES cis trans GroES trans
1 4.6 7.5 3.5 4.8 2.9 1.6 1.0 6.2 3.7
2 3.8 7.5 3.4 3.0 2.2 1.4 3.0 8.0 2.4
3 3.5 7.3 2.0 3.3 3.0 1.0 2.7 5.7 4.7
4 4.2 7.5 2.5 4.5 1.8 3.3 1.2 6.7 5.9
5 4.1 7.5 3.8 3.4 4.0 1.2 3.7 6.9 2.9
6 5.9 15.3 2.8 4.9 19.3 0.7 1.1 14.8 5.0
7 8.1 24.2 2.8 4.9 32.9 1.1 1.0 24.0 4.6
8 7.6 24.4 1.8 3.0 32.6 1.4 2.9 23.1 3.3
9 5.8 13.9 3.7 4.8 20.7 1.7 1.0 14.8 4.4
10 2.8 7.5 2.0 1.5 1.9 2.0 1.4 8.4 3.0

RMSD and ligand RMSD values of the top 10 models for the full GroES-GroEL complex (in Å), compared to the reference structure; models were fitted (energy-minimized) using a 23.5 Å experimental density map that was downsampled to 44.8 Å; after that, the models were ranked by gradient matching using the full density map. Then, the top 100 models were subjected to ring recombination; the resulting combinations were again ranked by gradient matching. This recombination procedure was then repeated. Finally, structures were refined using the ATTRACT force field, and again ranked by gradient matching.