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	39,997
5K - 10K	44,072
10K - 15K	71,651
15K - 20K	54,895
20K - 25K	54,233
25K - 30K	42,972
30K - 35K	31,314
35K - 40K	27,882
40K - 45K	20,716
45K - 50K	15,487
50K - 55K	12,694
55K - 60K	9,347
60K - 65K	6,531
65K - 70K	4,834
70K - 75K	3,401
>= 75K	27,230

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 R01GM133198.