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
< 10012615
100 - 20022046
200 - 30022694
300 - 40023397
400 - 50015128
500 - 60012259
600 - 7009155
700 - 8007390
800 - 9006990
900 - 10005238
1000 - 11004020
1100 - 12003209
1200 - 13002860
1300 - 14002437
1400 - 15002336
1500 - 16001997
1600 - 17001387
1700 - 18001324
1800 - 19001140
>= 190014294