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
< 10014,230
100 - 20025,565
200 - 30026,484
300 - 40028,049
400 - 50017,972
500 - 60014,659
600 - 70011,465
700 - 8008,867
800 - 9008,431
900 - 10006,390
1000 - 11005,017
1100 - 12004,023
1200 - 13003,615
1300 - 14003,559
1400 - 15003,154
1500 - 16002,664
1600 - 17001,956
1700 - 18001,762
1800 - 19001,690
>= 190023,372