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
< 10012800
100 - 20022548
200 - 30023201
300 - 40024142
400 - 50015463
500 - 60012557
600 - 7009487
700 - 8007581
800 - 9007161
900 - 10005419
1000 - 11004131
1100 - 12003350
1200 - 13002966
1300 - 14002541
1400 - 15002401
1500 - 16002079
1600 - 17001422
1700 - 18001375
1800 - 19001193
>= 190015192