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
< 5K29257
5K - 10K27276
10K - 15K43572
15K - 20K33737
20K - 25K33767
25K - 30K29122
30K - 35K20927
35K - 40K18583
40K - 45K13863
45K - 50K10084
50K - 55K7535
55K - 60K5718
60K - 65K4296
65K - 70K2722
70K - 75K1899
>= 75K12769