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	16965
1000 - 2000	27325
2000 - 3000	31034
3000 - 4000	23278
4000 - 5000	15873
5000 - 6000	11167
6000 - 7000	9419
7000 - 8000	7426
8000 - 9000	5415
9000 - 10000	4048
10000 - 11000	3329
11000 - 12000	2976
12000 - 13000	2456
13000 - 14000	1995
14000 - 15000	1581
15000 - 16000	1321
16000 - 17000	1203
17000 - 18000	931
18000 - 19000	825
>= 19000	10155

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.