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
< 5K44,066
5K - 10K52,123
10K - 15K85,078
15K - 20K65,315
20K - 25K63,175
25K - 30K49,598
30K - 35K35,817
35K - 40K31,704
40K - 45K23,646
45K - 50K18,232
50K - 55K14,982
55K - 60K11,217
60K - 65K7,670
65K - 70K5,825
70K - 75K4,153
>= 75K35,010