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 - 10012077
100 - 20020892
200 - 30021069
300 - 40021370
400 - 50013881
500 - 60011314
600 - 7008387
700 - 8006830
800 - 9006492
900 - 1K4800
1K - 1.1K3644
1.1K - 1.2K2971
1.2K - 1.3K2465
1.3K - 1.4K2142
1.4K - 1.5K2101
1.5K - 1.6K1833
1.6K - 1.7K1216
1.7K - 1.8K1166
1.8K - 1.9K1010
> 1.9K11845