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
< 5K44,551
5K - 10K53,111
10K - 15K86,487
15K - 20K66,734
20K - 25K64,350
25K - 30K50,517
30K - 35K36,604
35K - 40K32,284
40K - 45K24,017
45K - 50K18,605
50K - 55K15,274
55K - 60K11,489
60K - 65K7,825
65K - 70K5,997
70K - 75K4,235
>= 75K36,107