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
< 10012876
100 - 20022705
200 - 30023478
300 - 40024358
400 - 50015600
500 - 60012654
600 - 7009580
700 - 8007659
800 - 9007222
900 - 10005474
1000 - 11004169
1100 - 12003390
1200 - 13003015
1300 - 14002570
1400 - 15002461
1500 - 16002105
1600 - 17001440
1700 - 18001388
1800 - 19001219
>= 190015575