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 - 1K18110
1K - 2K27706
2K - 3K28840
3K - 4K19553
4K - 5K13411
5K - 6K9399
6K - 7K8700
7K - 8K5669
8K - 9K4281
9K - 10K3212
10K - 11K2725
11K - 12K2493
12K - 13K1912
13K - 14K1646
14K - 15K1134
15K - 16K1107
16K - 17K934
17K - 18K704
18K - 19K545
> 19K7589