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
< 10014,639
100 - 20026,453
200 - 30027,429
300 - 40029,399
400 - 50018,823
500 - 60015,376
600 - 70012,201
700 - 8009,248
800 - 9008,901
900 - 10006,745
1000 - 11005,341
1100 - 12004,345
1200 - 13003,980
1300 - 14003,848
1400 - 15003,437
1500 - 16002,954
1600 - 17002,148
1700 - 18001,942
1800 - 19001,888
>= 190026,584