PDB Statistics: PDB Data Distribution by Molecular Weight (Entity)

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
< 5K	43,899
5K - 10K	51,891
10K - 15K	84,608
15K - 20K	64,939
20K - 25K	62,783
25K - 30K	49,269
30K - 35K	35,609
35K - 40K	31,551
40K - 45K	23,556
45K - 50K	18,140
50K - 55K	14,878
55K - 60K	11,157
60K - 65K	7,634
65K - 70K	5,811
70K - 75K	4,135
>= 75K	34,766

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.