PDB Statistics: PDB Data Distribution by R-free

PDB Statistics: PDB Data Distribution by R-free

Distribution of PDB structures by R-free. Data shown include structures solved by X-ray crystallography or electron microscopy.

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R-free (%)	Number of Entries
< 0.14	1,762
0.14 - 0.15	1,590
0.15 - 0.16	2,483
0.16 - 0.17	4,026
0.17 - 0.18	5,998
0.18 - 0.19	8,817
0.19 - 0.2	12,300
0.2 - 0.21	15,436
0.21 - 0.22	18,049
0.22 - 0.23	20,168
0.23 - 0.24	20,427
0.24 - 0.25	19,387
0.25 - 0.26	17,305
0.26 - 0.27	14,097
0.27 - 0.28	11,027
0.28 - 0.29	8,349
0.29 - 0.3	5,461
0.3 - 0.31	2,764
0.31 - 0.32	1,821
>= 0.32	3,311

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.