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
0 - 10012144
100 - 20021052
200 - 30021306
300 - 40021585
400 - 50014043
500 - 60011457
600 - 7008538
700 - 8006899
800 - 9006576
900 - 1K4867
1K - 1.1K3689
1.1K - 1.2K3004
1.2K - 1.3K2522
1.3K - 1.4K2180
1.4K - 1.5K2131
1.5K - 1.6K1856
1.6K - 1.7K1243
1.7K - 1.8K1192
1.8K - 1.9K1038
> 1.9K12155