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
< 10013128
100 - 20022919
200 - 30023801
300 - 40024679
400 - 50015842
500 - 60012842
600 - 7009746
700 - 8007783
800 - 9007329
900 - 10005563
1000 - 11004254
1100 - 12003448
1200 - 13003063
1300 - 14002652
1400 - 15002508
1500 - 16002162
1600 - 17001488
1700 - 18001432
1800 - 19001272
>= 190016265