PDB Data Distribution by Molecular Weight (Structure)

All macromolecules, small molecules, and ions are included, except for water molecules. Molecular weight is calculated for all atoms, including those not observed in the experiment. Molecular weight of all non-water atoms in the asymmetric unit.

Chart is currently loading
Molecular Weight (Daltons)Number of Entries
0 - 20K26898
20K - 40K36099
40K - 60K25970
60K - 80K15855
80K - 100K11038
100K - 120K7925
120K - 140K5005
140K - 160K3653
160K - 180K3089
180K - 200K2276
200K - 220K1723
220K - 240K1420
240K - 260K996
260K - 280K799
280K - 300K632
300K - 320K517
320K - 340K475
340K - 360K433
360K - 380K363
> 380K4979