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Chemical Interoperability - Utrecht / NBIC
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Chemical Interoperability
Egon Willighagen
BiGCaT – Dept of Bioinformatics
2012-02-17, Utrecht
Interoperability in Chemistry
• = Communication, meaning
• Why?–Reproducibility–Understanding molecular properties
• Interoperability Needs–Open Data, Open Standards, Open Source
What's that Open fetish?
• Gives–Collaboration. Credit. Ownership.–Sustainability.
• Trough rights–Redistribution (under same rights)–Modification (not with Open Standards)
The Blue Obelisk Movement
R. Guha et al. J. Chem. Inf. Mod. 2006 N. O'Boyle et al. J. Cheminf. 2011
1. Open Standards
• Allows:–Software to talk to each other
• For:–Well-defined formats–Concepts (aromaticity!)–Practices (licenses, peer review, ...)
CML: Exchange of Chemical Structures
P. Murray-Rust et al, J. Chem. Inf. Comput. Sci., 1999E.L. Willighagen, Internet J. Chem., 2000
CML in RSS news feeds
P. Murray-Rust et al., J. Chem. Inf. Comput. Sci, 2004
Resource Description Framework
• Family of W3C technologies–RDF / RDFS: basic framework–Serialization formats
• RDF/XML, Turtle, RDFa, RDF/JSON
–OWL: ontologies (BioPortal, OLS, …)–SPARQL
SemanticWeb
IUPAC International Chemical Identifier
N. Day. InChI FAQ, http://wwmm.ch.cam.ac.uk/inchifaq/
2. Open Data
• What is the average C=N bond length?–Bioinformatics: force fields
• What is the LogP of aspirin?–Drug discovery
• What metabolite is that?–Metabolomics
Linked Open Drug Data
M. Samwald et al., J. Cheminf, 2011
Blue Obelisk Data Repository
● Which two tools calculate the same molecular weight?
● Isotope abundancies and weights!● IUPAC reports
R. Guha et al. J. Chem. Inf. Mod. 2006
3. Open Source
• What is aromaticity?
Chemistry Development Kit
• Cheminformatics–Aromaticity– ...
• Many derived tools–Taverna, KNIME, Bioclipse, Cinfony, ...
C. Steinbeck et al. J. Chem. Inf. Mod. 2003C. Steinbeck et al. Curr. Pharm. Des. 2006
Scripting ...
O. Spjuth et al. BMC Bioinf. 2009T. Kuhn et al. BMC Bioinf. 2010
Predictive Toxicology I
O. Spjuth et al. J. Chem. Inf. Mod. 2011E.L. Willighagen et al. BMC Research Notes. 2011
Predictive Toxicology II
E.L. Willighagen et al. J. Biomed Sem. 2011
Conclusions
• Interoperability via ODOSOS–Open Data–Open Standards–Open Source
Thanx / More info
• Blue Obelisk movement• CDK developers (Miguel!)
• http://scholar.google.com/citations?user=u8SjMZ0AAAAJ
• http://chem-bla-ics.blogspot.com/