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Exploring Chemical Space for Drug Discovery Using the Chemical Universe Database

2012; American Chemical Society; Volume: 3; Issue: 9 Linguagem: Inglês

10.1021/cn3000422

1948-7193

Jean‐Louis Reymond, Mahendra Awale,

Protein Structure and Dynamics

Herein we review our recent efforts in searching for bioactive ligands by enumeration and virtual screening of the unknown chemical space of small molecules. Enumeration from first principles shows that almost all small molecules (>99.9%) have never been synthesized and are still available to be prepared and tested. We discuss open access sources of molecules, the classification and representation of chemical space using molecular quantum numbers (MQN), its exhaustive enumeration in form of the chemical universe generated databases (GDB), and examples of using these databases for prospective drug discovery. MQN-searchable GDB, PubChem, and DrugBank are freely accessible at www.gdb.unibe.ch.