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 - 10011220
100 - 20018858
200 - 30018849
300 - 40018618
400 - 50012249
500 - 60010025
600 - 7007312
700 - 8005972
800 - 9005693
900 - 1K4190
1K - 1.1K3129
1.1K - 1.2K2594
1.2K - 1.3K2127
1.3K - 1.4K1806
1.4K - 1.5K1736
1.5K - 1.6K1526
1.6K - 1.7K1015
1.7K - 1.8K950
1.8K - 1.9K802
> 1.9K9221