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Printable Handouts
Navigable Slide Index
- Introduction
- Talk content
- Substructure search and similarity search
- Substructure searching
- Fingerprints
- Fingerprint filter example
- Fingerprint captures chemical aspects
- Similarity searching
- Fingerprint similarity example
- Substructure searching
- Query input
- R-Group searching
- Data structures for structures
- Subgraph isomorphism
- Ullmann algorithm
- VF2 algorithm
- Molecular graphs
- Tuning example for VF2
- Isomorphism considerations: aromaticity
- Isomorphism considerations: hydrogens
- Isomorphism considerations: stereoisomers
- Fingerprinting
- 2D fingerprint types
- Structural keys versus Hashing
- Pubchem
- Hashed fingerprint example
- Ring perception
- SSSR versus Exhaustive
- SSSR versus Exhaustive pros and cons
- Substructure with screening step
- Similarity searching
- Similarity example (1)
- Similarity calculation
- Similarity example (2)
- Alternative calculations
- Similarity search with boundaries
- Similarity searching algorithm
- What is a good similarity score?
- What similarity method to choose?
- References
Topics Covered
- Searching chemical compounds in data sets
- Querying for a fragment (substructure)
- Similarity to the query input
- Algorithms and performance aspects
- Concept of fingerprinting
- Use of fingerprinting for searching data sets
Talk Citation
Rijnbeek, M. (2011, May 31). Substructure searching, similarity calculations and fingerprints [Video file]. In The Biomedical & Life Sciences Collection, Henry Stewart Talks. Retrieved September 11, 2024, from https://doi.org/10.69645/TYJY9976.Export Citation (RIS)
Publication History
Financial Disclosures
- Mr. Mark Rijnbeek has not informed HSTalks of any commercial/financial relationship that it is appropriate to disclose.