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
< 10013520
100 - 20023981
200 - 30024934
300 - 40026094
400 - 50016747
500 - 60013481
600 - 70010314
700 - 8008178
800 - 9007762
900 - 10005864
1000 - 11004556
1100 - 12003675
1200 - 13003275
1300 - 14002912
1400 - 15002780
1500 - 16002365
1600 - 17001677
1700 - 18001586
1800 - 19001418
>= 190019140