Abstract
There is a critical need for improving the level of chemistry awareness in systems biology. The data and information related to modulation of genes and proteins by small molecules continue to accumulate at the same time as simulation tools in systems biology and whole body physiologically based pharmacokinetics (PBPK) continue to evolve. We called this emerging area at the interface between chemical biology and systems biology systems chemical biology (SCB) (Nat Chem Biol 3: 447–450, 2007).
The overarching goal of computational SCB is to develop tools for integrated chemical–biological data acquisition, filtering and processing, by taking into account relevant information related to interactions between proteins and small molecules, possible metabolic transformations of small molecules, as well as associated information related to genes, networks, small molecules, and, where applicable, mutants and variants of those proteins. There is yet an unmet need to develop an integrated in silico pharmacology/systems biology continuum that embeds drug–target–clinical outcome (DTCO) triplets, a capability that is vital to the future of chemical biology, pharmacology, and systems biology. Through the development of the SCB approach, scientists will be able to start addressing, in an integrated simulation environment, questions that make the best use of our ever-growing chemical and biological data repositories at the system-wide level. This chapter reviews some of the major research concepts and describes key components that constitute the emerging area of computational systems chemical biology.
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Notes
- 1.
The symposium “Systems chemical biology: Integrating chemistry and biology for network models” was organized at the 236th ACS National Meeting in Philadelphia, August 17–21, 2008; it was sponsored by CINF and co-sponsored by four other ACS divisions (COMP, MEDI, HEALTH, and BIOT).
- 2.
KEGG (http://www.genome.jp/kegg/) has the following entry points: PATHWAY, the KEGG pathway maps for biological processes; BRITE, the KEGG functional hierarchies of biological systems; GENES: the KEGG gene catalogs and ortholog relations in complete genomes; and LIGAND, the KEGG chemical compounds, drugs, glycans, and reactions.
- 3.
BioCyc includes MetaCyc, a database of nonredundant, experimentally elucidated metabolic pathways, that can be queried by Pathway, Reaction and Compound, http://metacyc.org/, and the Open Chemical Database, a collection of associated metabolites, http://biocyc.org/open-compounds.shtml.
- 4.
Biocarta is a commercially-sponsored “open source” forum that integrates emerging proteomic information from the scientific community and depicts inter-molecular interactions via dynamic graphical models. http://www.biocarta.com/genes/index.asp.
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Acknowledgments
The authors would like to acknowledge the support of their studies from NIH (grants R01GM066940 and R21GM076059 supporting AT and 1U54MH084690-01 supporting TIO).
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Oprea, T.I., May, E.E., Leitão, A., Tropsha, A. (2011). Computational Systems Chemical Biology. In: Bajorath, J. (eds) Chemoinformatics and Computational Chemical Biology. Methods in Molecular Biology, vol 672. Humana Press, Totowa, NJ. https://doi.org/10.1007/978-1-60761-839-3_18
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