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
< 10012408
100 - 20021680
200 - 30022039
300 - 40022673
400 - 50014665
500 - 60011975
600 - 7008810
700 - 8007189
800 - 9006801
900 - 10005064
1000 - 11003876
1100 - 12003107
1200 - 13002705
1300 - 14002325
1400 - 15002251
1500 - 16001909
1600 - 17001311
1700 - 18001272
1800 - 19001089
>= 190013152