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 - 10011700
100 - 20019981
200 - 30020079
300 - 40020375
400 - 50013161
500 - 60010768
600 - 7007946
700 - 8006500
800 - 9006184
900 - 1K4499
1K - 1.1K3399
1.1K - 1.2K2782
1.2K - 1.3K2313
1.3K - 1.4K2000
1.4K - 1.5K1914
1.5K - 1.6K1705
1.6K - 1.7K1145
1.7K - 1.8K1061
1.8K - 1.9K901
> 1.9K10531