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
< 5K34763
5K - 10K35869
10K - 15K57775
15K - 20K44042
20K - 25K44067
25K - 30K35868
30K - 35K25972
35K - 40K22667
40K - 45K17120
45K - 50K12529
50K - 55K9943
55K - 60K7395
60K - 65K5288
65K - 70K3650
70K - 75K2583
>= 75K19674