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
< 5K40,050
5K - 10K44,222
10K - 15K71,873
15K - 20K55,023
20K - 25K54,333
25K - 30K43,051
30K - 35K31,356
35K - 40K27,938
40K - 45K20,760
45K - 50K15,523
50K - 55K12,728
55K - 60K9,401
60K - 65K6,550
65K - 70K4,851
70K - 75K3,430
>= 75K27,435