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 - 10011474
100 - 20019388
200 - 30019451
300 - 40019637
400 - 50012709
500 - 60010392
600 - 7007607
700 - 8006209
800 - 9005919
900 - 1K4355
1K - 1.1K3241
1.1K - 1.2K2672
1.2K - 1.3K2204
1.3K - 1.4K1900
1.4K - 1.5K1817
1.5K - 1.6K1622
1.6K - 1.7K1086
1.7K - 1.8K1001
1.8K - 1.9K866
> 1.9K9817