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
< 10013051
100 - 20022837
200 - 30023657
300 - 40024539
400 - 50015715
500 - 60012723
600 - 7009685
700 - 8007747
800 - 9007277
900 - 10005504
1000 - 11004207
1100 - 12003417
1200 - 13003031
1300 - 14002607
1400 - 15002491
1500 - 16002130
1600 - 17001460
1700 - 18001416
1800 - 19001244
>= 190015947