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
< 5K31150
5K - 10K31015
10K - 15K50041
15K - 20K38618
20K - 25K38349
25K - 30K32002
30K - 35K23277
35K - 40K20423
40K - 45K15322
45K - 50K11107
50K - 55K8688
55K - 60K6425
60K - 65K4797
65K - 70K3184
70K - 75K2197
>= 75K15561