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
< 100.0470
100.0 - 200.06,198
200.0 - 300.09,567
300.0 - 400.011,605
400.0 - 500.09,248
500.0 - 600.04,940
600.0 - 700.01,998
700.0 - 800.0991
800.0 - 900.0575
900.0 - 1000.0332
1000.0 - 1100.0191
1100.0 - 1200.0114
1200.0 - 1300.094
1300.0 - 1400.070
1400.0 - 1500.047
1500.0 - 1600.039
1600.0 - 1700.034
1700.0 - 1800.017
1800.0 - 1900.030
1900.0 - 2000.017
>= 2000.077