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	16966
1000 - 2000	27345
2000 - 3000	31084
3000 - 4000	23301
4000 - 5000	15892
5000 - 6000	11176
6000 - 7000	9430
7000 - 8000	7436
8000 - 9000	5419
9000 - 10000	4049
10000 - 11000	3331
11000 - 12000	2978
12000 - 13000	2463
13000 - 14000	1996
14000 - 15000	1586
15000 - 16000	1328
16000 - 17000	1203
17000 - 18000	932
18000 - 19000	827
>= 19000	10168

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.