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
< 5K38,309
5K - 10K41,233
10K - 15K67,207
15K - 20K51,423
20K - 25K51,001
25K - 30K40,870
30K - 35K29,190
35K - 40K26,262
40K - 45K19,403
45K - 50K14,520
50K - 55K11,762
55K - 60K8,561
60K - 65K6,063
65K - 70K4,406
70K - 75K3,097
>= 75K24,592