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 - 10011305
100 - 20019020
200 - 30019037
300 - 40018882
400 - 50012417
500 - 60010119
600 - 7007405
700 - 8006067
800 - 9005761
900 - 1K4236
1K - 1.1K3154
1.1K - 1.2K2615
1.2K - 1.3K2146
1.3K - 1.4K1834
1.4K - 1.5K1765
1.5K - 1.6K1543
1.6K - 1.7K1031
1.7K - 1.8K962
1.8K - 1.9K810
> 1.9K9421