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
< 10014,518
100 - 20026,220
200 - 30027,252
300 - 40029,089
400 - 50018,629
500 - 60015,186
600 - 70012,062
700 - 8009,169
800 - 9008,775
900 - 10006,660
1000 - 11005,249
1100 - 12004,290
1200 - 13003,909
1300 - 14003,786
1400 - 15003,380
1500 - 16002,880
1600 - 17002,088
1700 - 18001,901
1800 - 19001,835
>= 190025,746