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
< 10012502
100 - 20021859
200 - 30022322
300 - 40023046
400 - 50014831
500 - 60012104
600 - 7008979
700 - 8007280
800 - 9006894
900 - 10005147
1000 - 11003944
1100 - 12003142
1200 - 13002760
1300 - 14002380
1400 - 15002283
1500 - 16001945
1600 - 17001340
1700 - 18001287
1800 - 19001118
>= 190013726