PDB Data Distribution by Residue Count

Distribution of released structures by the number of residues in macromolecules. All residues specified in macromolecular chains (i.e. full sequence) are counted even if not all of them are observed in the structure.

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Residue Count RangeNumber of Entries
0 - 10011406
100 - 20019210
200 - 30019235
300 - 40019172
400 - 50012583
500 - 60010273
600 - 7007511
700 - 8006154
800 - 9005819
900 - 1K4295
1K - 1.1K3191
1.1K - 1.2K2646
1.2K - 1.3K2170
1.3K - 1.4K1867
1.4K - 1.5K1790
1.5K - 1.6K1596
1.6K - 1.7K1054
1.7K - 1.8K977
1.8K - 1.9K846
> 1.9K9595