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
< 10014,382
100 - 20025,870
200 - 30026,837
300 - 40028,648
400 - 50018,383
500 - 60014,960
600 - 70011,747
700 - 8009,061
800 - 9008,651
900 - 10006,545
1000 - 11005,141
1100 - 12004,170
1200 - 13003,796
1300 - 14003,680
1400 - 15003,255
1500 - 16002,800
1600 - 17002,038
1700 - 18001,842
1800 - 19001,786
>= 190024,604