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
< 10014,378
100 - 20025,850
200 - 30026,790
300 - 40028,593
400 - 50018,358
500 - 60014,941
600 - 70011,719
700 - 8009,036
800 - 9008,638
900 - 10006,536
1000 - 11005,128
1100 - 12004,154
1200 - 13003,786
1300 - 14003,666
1400 - 15003,242
1500 - 16002,781
1600 - 17002,029
1700 - 18001,832
1800 - 19001,772
>= 190024,476