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
< 5K45,647
5K - 10K55,258
10K - 15K90,258
15K - 20K69,762
20K - 25K67,436
25K - 30K52,155
30K - 35K37,921
35K - 40K33,604
40K - 45K24,913
45K - 50K19,425
50K - 55K15,943
55K - 60K11,882
60K - 65K8,113
65K - 70K6,248
70K - 75K4,406
>= 75K37,919