PDB Statistics: 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
< 10014,607
100 - 20026,414
200 - 30027,380
300 - 40029,354
400 - 50018,781
500 - 60015,325
600 - 70012,172
700 - 8009,223
800 - 9008,864
900 - 10006,710
1000 - 11005,324
1100 - 12004,333
1200 - 13003,969
1300 - 14003,825
1400 - 15003,421
1500 - 16002,932
1600 - 17002,134
1700 - 18001,924
1800 - 19001,870
>= 190026,369