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
< 100.0480
100.0 - 200.06,508
200.0 - 300.010,200
300.0 - 400.012,221
400.0 - 500.09,769
500.0 - 600.05,304
600.0 - 700.02,127
700.0 - 800.01,057
800.0 - 900.0615
900.0 - 1000.0360
1000.0 - 1100.0207
1100.0 - 1200.0124
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
>= 2000.080