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 - 10011877
100 - 20020442
200 - 30020540
300 - 40020880
400 - 50013559
500 - 60011010
600 - 7008152
700 - 8006680
800 - 9006352
900 - 1K4609
1K - 1.1K3505
1.1K - 1.2K2867
1.2K - 1.3K2386
1.3K - 1.4K2057
1.4K - 1.5K2011
1.5K - 1.6K1770
1.6K - 1.7K1177
1.7K - 1.8K1116
1.8K - 1.9K952
> 1.9K11118