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
< 100.0468
100.0 - 200.06,073
200.0 - 300.09,165
300.0 - 400.011,176
400.0 - 500.08,935
500.0 - 600.04,693
600.0 - 700.01,932
700.0 - 800.0955
800.0 - 900.0568
900.0 - 1000.0318
1000.0 - 1100.0186
1100.0 - 1200.0109
1200.0 - 1300.092
1300.0 - 1400.070
1400.0 - 1500.047
1500.0 - 1600.039
1600.0 - 1700.034
1700.0 - 1800.016
1800.0 - 1900.030
1900.0 - 2000.017
>= 2000.077