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 RangeNumber of Entries
0 - 1K17510
1K - 2K26261
2K - 3K27301
3K - 4K18391
4K - 5K12589
5K - 6K8879
6K - 7K8185
7K - 8K5262
8K - 9K3947
9K - 10K2970
10K - 11K2463
11K - 12K2312
12K - 13K1774
13K - 14K1470
14K - 15K1016
15K - 16K1022
16K - 17K835
17K - 18K638
18K - 19K496
> 19K6565