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
< 10014,465
100 - 20026,149
200 - 30027,065
300 - 40028,900
400 - 50018,541
500 - 60015,112
600 - 70011,988
700 - 8009,128
800 - 9008,728
900 - 10006,629
1000 - 11005,202
1100 - 12004,230
1200 - 13003,881
1300 - 14003,737
1400 - 15003,329
1500 - 16002,852
1600 - 17002,071
1700 - 18001,882
1800 - 19001,814
>= 190025,348