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
< 10013,576
100 - 20024,093
200 - 30025,121
300 - 40026,192
400 - 50016,831
500 - 60013,554
600 - 70010,364
700 - 8008,232
800 - 9007,837
900 - 10005,895
1000 - 11004,592
1100 - 12003,694
1200 - 13003,302
1300 - 14002,949
1400 - 15002,821
1500 - 16002,383
1600 - 17001,685
1700 - 18001,605
1800 - 19001,432
>= 190019,407