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
< 10014,934
100 - 20027,462
200 - 30028,678
300 - 40030,213
400 - 50019,506
500 - 60015,941
600 - 70012,800
700 - 8009,620
800 - 9009,453
900 - 10007,032
1000 - 11005,645
1100 - 12004,656
1200 - 13004,243
1300 - 14004,049
1400 - 15003,687
1500 - 16003,127
1600 - 17002,338
1700 - 18002,107
1800 - 19002,006
>= 190029,228