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
< 10014,315
100 - 20025,775
200 - 30026,689
300 - 40028,434
400 - 50018,262
500 - 60014,841
600 - 70011,673
700 - 8008,978
800 - 9008,601
900 - 10006,492
1000 - 11005,085
1100 - 12004,127
1200 - 13003,704
1300 - 14003,633
1400 - 15003,208
1500 - 16002,743
1600 - 17002,013
1700 - 18001,811
1800 - 19001,752
>= 190024,089