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 - 10011310
100 - 20019028
200 - 30019049
300 - 40018909
400 - 50012425
500 - 60010134
600 - 7007419
700 - 8006074
800 - 9005765
900 - 1K4243
1K - 1.1K3161
1.1K - 1.2K2620
1.2K - 1.3K2148
1.3K - 1.4K1842
1.4K - 1.5K1767
1.5K - 1.6K1545
1.6K - 1.7K1032
1.7K - 1.8K965
1.8K - 1.9K811
> 1.9K9445