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
< 5K32350
5K - 10K31931
10K - 15K51452
15K - 20K39756
20K - 25K39650
25K - 30K32853
30K - 35K23891
35K - 40K20877
40K - 45K15762
45K - 50K11364
50K - 55K8968
55K - 60K6561
60K - 65K4870
65K - 70K3243
70K - 75K2257
>= 75K16259