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
< 100.0452
100.0 - 200.05,451
200.0 - 300.08,045
300.0 - 400.09,683
400.0 - 500.07,583
500.0 - 600.04,025
600.0 - 700.01,669
700.0 - 800.0837
800.0 - 900.0501
900.0 - 1000.0276
1000.0 - 1100.0138
1100.0 - 1200.085
1200.0 - 1300.081
1300.0 - 1400.055
1400.0 - 1500.037
1500.0 - 1600.038
1600.0 - 1700.026
1700.0 - 1800.012
1800.0 - 1900.028
1900.0 - 2000.014
>= 2000.069