Pipelining ChemAxon - Accelrys EUGM 2008

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    Pipelining ChemAxon - Accelrys EUGM 2008 - Presentation Transcript

    1. Pipelining ChemAxon Szilard Dorant Solutions for Cheminformatics
    2. The Component Collection: Quick facts
      • Provides access to ChemAxon tools from Pipeline Pilot
      • Free of charge
      • Open source : Java sources are also included
      • Available from ChemAxon or Accelrys
      • Latest version : 1.4
        • Released in November 2008
        • Requires JChem / Marvin 5.0.1 or better
        • Tested against Pipeline Pilot 6.1.1
    3. What’s new in 2008*
      • Direct support and development from ChemAxon
      • 3 major releases – one about every 4 months
      • 6 early access releases
      • 12 new user components
      • Several components significantly upgraded
      *As of November 2008 November 24 1.4 October 22 1.3.1 July 11 1.3 March 5 1.2 Date Version User interest Development
    4. Available functionality
      • Standardizer: structure canonicalization
      • Chemical Terms expressions for filtering and calculations (including logP, logD, pKa, HBD, HBA, Isoelectric point, PSA and more)
      • Reactor : “smart” virtual reaction processing
      • Maximum Common Substructure (MCS) based clustering
      • IUPAC Name <-> Molecule conversion (both directions)
      • JChem chemical database: insertion, search and retrieval of structures; create and drop structure tables
      • Marvin applets: structure visualization and editing
      • Major microspecies (major protonation form)
      • Microspecies distribution
      • Burden eigenvalue descriptor (BCUT)
    5. Chemical Terms Calculator
      • Use arbitrary Chemical Terms expressions
      • Results stored to arbitrary properties
      • A wide range of ChemAxon functionality can be accessed as Chemical Terms functions
      New in 1.3
    6. Canonicalization with Standardizer Simple to use, but now full complexity is also available:
      • Simple actions (checkboxes)
      • Configuration string (simple or XML)
      • Configuration file
      Upgraded in 1.2
    7. IUPAC naming components
      • IUPAC Name to Molecule
      • Molecule to IUPAC Name
      • Example “roundtrip” protocol:
      New in 1.4
    8. Reactor Improvements: Upgraded in 1.4
      • Synthesis code generation
      • Output reaction mapping
      • Advanced options:
        • Unambiguous only
        • Ignore rules:
          • Reactivity and Exclude
          • Selectivity
          • Tolerance
    9. Combinatorial Reactor Example
    10. Clustering with LibMCS Maximum Common Substructure (MCS) based clustering
      • Size of smallest common substructure to consider
      • Three levels of heuristics:
        • Exact (no heuristics)
        • Fast
        • Very Fast
      • Bond type, atom type, charge can optionally be ignored
      • Disallow “breaking” rings (default)
      Options: New in 1.4
    11. JChem Base Insert
      • Returns cd_id (primary key) values
      • Two input modes:
        • read structure source from a specified property
        • if property not specified uses PP input molecule
      • Insert into additional data fields*
      New features: *Under development, currently limited to string database column types
      • Duplicate filtering option (using Pass and Fail ports)
      Upgraded in 1.2
    12. JChem Database Search
      • Several search options were added
      • Easier protocol integration and better performance due to concentrated functionality
      Upgraded in 1.2
    13. JChem Base demo protocol
    14. Improved error reporting
      • Helps to track down problems quicker
      • More information is displayed in the error dialog: Marvin or JChem version, the current structure, etc.
      • Utility component for displaying ChemAxon environment (from 1.4)
      • If the environment variable CHEMAXON_PP_LOG_DIR is set, an even more detailed error report will be appended to the file &quot;pp_error.txt&quot; in the specified directory
      New in 1.3
    15. Planned components
      • JChem Cartridge for Oracle
      • Integration with Instant JChem
      • Tautomer generation
      • Conformer generation
      • Conversion of various structure file formats
        • Node release cycle is fast and flexible. Please advise us on priority and additional functionality for future node development.
    16. Resources
      • Download:
        • http://www.chemaxon.com/integration/download.html
        • http://accelrys.org/pipelinepilot/chemistry.html
      • Technical support forum:
        • http://www.chemaxon.com/forum/forum88.html
      • E-mail:
        • Dorant__at__chemaxon_._com
    17. Acknowledgements
      • Accelrys
        • Moises Hassan
        • Ton van Daelen
        • Keith Burdick
      • Informatics Matters
        • Tim Dudgeon
      • ChemAxon
        • Gy ö rgy Pirok
        • Mikl ós Vargyas
        • Zsolt Moh á csi

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