PDB Statistics: PDB Data Distribution by Atom Count

PDB Statistics: PDB Data Distribution by Atom Count

Distribution of released structures by the number of observed atoms excluding atoms in water molecules.

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Atom Count Range	Number of Entries
< 1000	17681
1000 - 2000	28783
2000 - 3000	32916
3000 - 4000	24796
4000 - 5000	16874
5000 - 6000	11861
6000 - 7000	10127
7000 - 8000	7936
8000 - 9000	5938
9000 - 10000	4441
10000 - 11000	3649
11000 - 12000	3266
12000 - 13000	2696
13000 - 14000	2190
14000 - 15000	1808
15000 - 16000	1507
16000 - 17000	1326
17000 - 18000	1138
18000 - 19000	965
>= 19000	12197

RCSB PDB is funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.