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	16392
1000 - 2000	26008
2000 - 3000	29020
3000 - 4000	21783
4000 - 5000	14749
5000 - 6000	10386
6000 - 7000	8799
7000 - 8000	6902
8000 - 9000	4994
9000 - 10000	3645
10000 - 11000	3004
11000 - 12000	2707
12000 - 13000	2276
13000 - 14000	1841
14000 - 15000	1397
15000 - 16000	1196
16000 - 17000	1087
17000 - 18000	833
18000 - 19000	727
>= 19000	8528

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.