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
< 5K41,354
5K - 10K46,939
10K - 15K76,588
15K - 20K58,843
20K - 25K57,572
25K - 30K45,532
30K - 35K32,870
35K - 40K29,324
40K - 45K21,712
45K - 50K16,268
50K - 55K13,566
55K - 60K9,935
60K - 65K6,891
65K - 70K5,153
70K - 75K3,685
>= 75K30,027