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.

Chart is currently loading
Molecular Weight (Daltons)Number of Entities
< 5K39,707
5K - 10K43,487
10K - 15K70,774
15K - 20K54,078
20K - 25K53,604
25K - 30K42,551
30K - 35K31,008
35K - 40K27,554
40K - 45K20,478
45K - 50K15,290
50K - 55K12,540
55K - 60K9,225
60K - 65K6,431
65K - 70K4,737
70K - 75K3,319
>= 75K26,596