PDB Statistics: PDB Data Distribution by Molecular Weight (Entity)

Molecular weight is calculated for each chemically distinct component of a PDB structure, e.g. protein, nucleic acid.

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Molecular Weight (Daltons)Number of Entities
< 5K35229
5K - 10K36363
10K - 15K58709
15K - 20K44964
20K - 25K44855
25K - 30K36382
30K - 35K26295
35K - 40K23022
40K - 45K17365
45K - 50K12787
50K - 55K10185
55K - 60K7501
60K - 65K5366
65K - 70K3713
70K - 75K2636
>= 75K20185