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	18,572
1000 - 2000	31,017
2000 - 3000	35,753
3000 - 4000	27,072
4000 - 5000	18,599
5000 - 6000	13,140
6000 - 7000	11,202
7000 - 8000	8,783
8000 - 9000	6,830
9000 - 10000	5,055
10000 - 11000	4,345
11000 - 12000	3,676
12000 - 13000	3,049
13000 - 14000	2,562
14000 - 15000	2,113
15000 - 16000	1,775
16000 - 17000	1,567
17000 - 18000	1,348
18000 - 19000	1,137
>= 19000	15,329

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