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 - 10011630
100 - 20019772
200 - 30019864
300 - 40020199
400 - 50012971
500 - 60010656
600 - 7007821
700 - 8006405
800 - 9006046
900 - 1K4454
1K - 1.1K3360
1.1K - 1.2K2754
1.2K - 1.3K2249
1.3K - 1.4K1962
1.4K - 1.5K1884
1.5K - 1.6K1671
1.6K - 1.7K1116
1.7K - 1.8K1040
1.8K - 1.9K888
> 1.9K10306