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 - 10011557
100 - 20019596
200 - 30019721
300 - 40019997
400 - 50012861
500 - 60010537
600 - 7007724
700 - 8006312
800 - 9005985
900 - 1K4417
1K - 1.1K3297
1.1K - 1.2K2708
1.2K - 1.3K2232
1.3K - 1.4K1933
1.4K - 1.5K1854
1.5K - 1.6K1647
1.6K - 1.7K1100
1.7K - 1.8K1016
1.8K - 1.9K878
> 1.9K10076