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
< 5K45,194
5K - 10K54,381
10K - 15K88,834
15K - 20K68,791
20K - 25K66,426
25K - 30K51,546
30K - 35K37,504
35K - 40K33,147
40K - 45K24,612
45K - 50K19,142
50K - 55K15,630
55K - 60K11,672
60K - 65K8,005
65K - 70K6,152
70K - 75K4,329
>= 75K37,199