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	18,753
1000 - 2000	31,500
2000 - 3000	36,661
3000 - 4000	27,659
4000 - 5000	19,044
5000 - 6000	13,532
6000 - 7000	11,575
7000 - 8000	9,051
8000 - 9000	7,130
9000 - 10000	5,243
10000 - 11000	4,496
11000 - 12000	3,807
12000 - 13000	3,165
13000 - 14000	2,692
14000 - 15000	2,218
15000 - 16000	1,839
16000 - 17000	1,646
17000 - 18000	1,417
18000 - 19000	1,193
>= 19000	16,232

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