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
< 10014,664
100 - 20026,514
200 - 30027,622
300 - 40029,482
400 - 50018,928
500 - 60015,455
600 - 70012,332
700 - 8009,307
800 - 9008,941
900 - 10006,776
1000 - 11005,371
1100 - 12004,374
1200 - 13003,997
1300 - 14003,870
1400 - 15003,475
1500 - 16002,982
1600 - 17002,174
1700 - 18001,977
1800 - 19001,911
>= 190026,959