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
< 10014,984
100 - 20027,556
200 - 30028,837
300 - 40030,513
400 - 50019,629
500 - 60016,058
600 - 70012,912
700 - 8009,683
800 - 9009,541
900 - 10007,094
1000 - 11005,699
1100 - 12004,698
1200 - 13004,291
1300 - 14004,108
1400 - 15003,727
1500 - 16003,152
1600 - 17002,393
1700 - 18002,132
1800 - 19002,046
>= 190029,885