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 - 10011358
100 - 20019113
200 - 30019131
300 - 40019038
400 - 50012518
500 - 60010217
600 - 7007471
700 - 8006112
800 - 9005791
900 - 1K4267
1K - 1.1K3179
1.1K - 1.2K2631
1.2K - 1.3K2159
1.3K - 1.4K1853
1.4K - 1.5K1779
1.5K - 1.6K1579
1.6K - 1.7K1046
1.7K - 1.8K973
1.8K - 1.9K830
> 1.9K9521