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
< 5K39,935
5K - 10K44,034
10K - 15K71,566
15K - 20K54,720
20K - 25K54,131
25K - 30K42,927
30K - 35K31,272
35K - 40K27,847
40K - 45K20,692
45K - 50K15,443
50K - 55K12,678
55K - 60K9,322
60K - 65K6,509
65K - 70K4,821
70K - 75K3,390
>= 75K27,171