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
< 10013,706
100 - 20024,359
200 - 30025,317
300 - 40026,494
400 - 50016,988
500 - 60013,956
600 - 70010,475
700 - 8008,324
800 - 9007,950
900 - 10005,978
1000 - 11004,676
1100 - 12003,746
1200 - 13003,351
1300 - 14003,255
1400 - 15002,905
1500 - 16002,429
1600 - 17001,726
1700 - 18001,625
1800 - 19001,474
>= 190020,013