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
< 10015,085
100 - 20027,846
200 - 30029,116
300 - 40030,906
400 - 50019,845
500 - 60016,412
600 - 70013,142
700 - 8009,817
800 - 9009,651
900 - 10007,200
1000 - 11005,828
1100 - 12004,775
1200 - 13004,385
1300 - 14004,192
1400 - 15003,797
1500 - 16003,231
1600 - 17002,462
1700 - 18002,216
1800 - 19002,111
>= 190030,857