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
< 100.0472
100.0 - 200.06,238
200.0 - 300.09,807
300.0 - 400.011,753
400.0 - 500.09,402
500.0 - 600.05,029
600.0 - 700.02,021
700.0 - 800.01,002
800.0 - 900.0590
900.0 - 1000.0342
1000.0 - 1100.0192
1100.0 - 1200.0114
1200.0 - 1300.098
1300.0 - 1400.070
1400.0 - 1500.049
1500.0 - 1600.040
1600.0 - 1700.034
1700.0 - 1800.017
1800.0 - 1900.033
1900.0 - 2000.017
>= 2000.077