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
< 10014,895
100 - 20027,424
200 - 30028,641
300 - 40030,168
400 - 50019,459
500 - 60015,903
600 - 70012,740
700 - 8009,582
800 - 9009,425
900 - 10007,009
1000 - 11005,621
1100 - 12004,635
1200 - 13004,224
1300 - 14004,034
1400 - 15003,671
1500 - 16003,116
1600 - 17002,331
1700 - 18002,093
1800 - 19002,000
>= 190029,089