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
< 5K45,116
5K - 10K54,244
10K - 15K88,675
15K - 20K68,594
20K - 25K66,243
25K - 30K51,432
30K - 35K37,405
35K - 40K33,019
40K - 45K24,510
45K - 50K19,103
50K - 55K15,591
55K - 60K11,642
60K - 65K7,986
65K - 70K6,118
70K - 75K4,315
>= 75K37,048