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
< 5K45,497
5K - 10K54,991
10K - 15K89,789
15K - 20K69,481
20K - 25K67,153
25K - 30K52,009
30K - 35K37,810
35K - 40K33,480
40K - 45K24,838
45K - 50K19,385
50K - 55K15,892
55K - 60K11,838
60K - 65K8,096
65K - 70K6,224
70K - 75K4,384
>= 75K37,696