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
< 100.0457
100.0 - 200.05,566
200.0 - 300.08,257
300.0 - 400.010,016
400.0 - 500.07,860
500.0 - 600.04,184
600.0 - 700.01,761
700.0 - 800.0872
800.0 - 900.0521
900.0 - 1000.0286
1000.0 - 1100.0152
1100.0 - 1200.090
1200.0 - 1300.081
1300.0 - 1400.057
1400.0 - 1500.038
1500.0 - 1600.038
1600.0 - 1700.029
1700.0 - 1800.014
1800.0 - 1900.028
1900.0 - 2000.017
>= 2000.071