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
< 10013471
100 - 20023823
200 - 30024699
300 - 40025751
400 - 50016576
500 - 60013403
600 - 70010207
700 - 8008118
800 - 9007677
900 - 10005816
1000 - 11004506
1100 - 12003645
1200 - 13003234
1300 - 14002876
1400 - 15002746
1500 - 16002311
1600 - 17001639
1700 - 18001549
1800 - 19001398
>= 190018650