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
< 10014,976
100 - 20027,549
200 - 30028,809
300 - 40030,492
400 - 50019,595
500 - 60016,044
600 - 70012,881
700 - 8009,675
800 - 9009,534
900 - 10007,083
1000 - 11005,695
1100 - 12004,696
1200 - 13004,285
1300 - 14004,101
1400 - 15003,715
1500 - 16003,146
1600 - 17002,369
1700 - 18002,129
1800 - 19002,035
>= 190029,813