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
< 10013,590
100 - 20024,136
200 - 30025,149
300 - 40026,222
400 - 50016,845
500 - 60013,565
600 - 70010,379
700 - 8008,240
800 - 9007,845
900 - 10005,905
1000 - 11004,611
1100 - 12003,700
1200 - 13003,304
1300 - 14002,960
1400 - 15002,825
1500 - 16002,386
1600 - 17001,692
1700 - 18001,607
1800 - 19001,446
>= 190019,451