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
< 10012722
100 - 20022345
200 - 30023028
300 - 40023918
400 - 50015322
500 - 60012413
600 - 7009335
700 - 8007505
800 - 9007077
900 - 10005361
1000 - 11004079
1100 - 12003298
1200 - 13002931
1300 - 14002492
1400 - 15002379
1500 - 16002038
1600 - 17001410
1700 - 18001362
1800 - 19001181
>= 190014798