Small Molecule Statistics: Molecular Weight Distribution

Distribution of molecule weight in the Chemical Component Dictionary (standard and modified amino acids/nucleotides, small molecule ligands, and solvent molecules) and the Biologically Interesting molecule Reference Dictionary (peptide-like antibiotic and inhibitor molecules).

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Molecular Weight (Daltons)Number of Dictionary Entries
< 100.0466
100.0 - 200.05,953
200.0 - 300.08,978
300.0 - 400.010,973
400.0 - 500.08,697
500.0 - 600.04,588
600.0 - 700.01,896
700.0 - 800.0930
800.0 - 900.0561
900.0 - 1000.0309
1000.0 - 1100.0169
1100.0 - 1200.099
1200.0 - 1300.086
1300.0 - 1400.065
1400.0 - 1500.045
1500.0 - 1600.039
1600.0 - 1700.033
1700.0 - 1800.016
1800.0 - 1900.030
1900.0 - 2000.017
>= 2000.077