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
< 100.0465
100.0 - 200.05,936
200.0 - 300.08,937
300.0 - 400.010,901
400.0 - 500.08,624
500.0 - 600.04,518
600.0 - 700.01,871
700.0 - 800.0924
800.0 - 900.0558
900.0 - 1000.0305
1000.0 - 1100.0165
1100.0 - 1200.099
1200.0 - 1300.085
1300.0 - 1400.065
1400.0 - 1500.043
1500.0 - 1600.039
1600.0 - 1700.033
1700.0 - 1800.015
1800.0 - 1900.029
1900.0 - 2000.017
>= 2000.075