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
< 100.0479
100.0 - 200.06,417
200.0 - 300.010,061
300.0 - 400.012,098
400.0 - 500.09,660
500.0 - 600.05,208
600.0 - 700.02,094
700.0 - 800.01,043
800.0 - 900.0607
900.0 - 1000.0354
1000.0 - 1100.0203
1100.0 - 1200.0123
1200.0 - 1300.0102
1300.0 - 1400.073
1400.0 - 1500.057
1500.0 - 1600.046
1600.0 - 1700.035
1700.0 - 1800.017
1800.0 - 1900.033
1900.0 - 2000.017
>= 2000.079