JKlustor


Pipelining ChemAxon

Presentation by et al, · December 2008

This presentation gives a thorough overview about the component collection that allows you to get access to all ChemAxon tools from Pipeline Pilot. In the introduction part the basic quick facts are provided about the collection.

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Maximum Common Substructure Based Hierarchical Clustering

Presentation by , , , , , · June 2008

Clustering chemical structures is a widely used method in various phases of the drug discovery process. Possible applications range from clustering virtual hit sets consisting of 1000’s of structures to clustering million member compound libraries.

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Maximum Common Substructure Based Hierarchical Clustering

Presentation by , , , , , · September 2006

Clustering chemical structures is a widely used method in various phases of the drug discovery process. Possible applications range from clustering virtual hit sets consisting of 1000’s of structures to clustering million member compound libraries.

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Structure Based Clustering of NCI's Anti-HIV Library

Presentation by , , · July 2001

To support clustering, new software called JKlustor has been developed as an add-on module for ChemAxon’s chemical database handling system, JChem. The application can generate 2D hashed fingerprints for molecules, but real number descriptors may also be used during the calculation. The clustering process applies a version of the Jarvis-Patrick method (Jarp), which is based on variable-length neighbor lists. In the case of fingerprint input, the measure of similarity is the Tanimoto coefficient. Another clustering module, applying Ward’s minimum variance method and using Murtagh’s reciprocal nearest neighbor (RNN) algorithm as a heuristic, is also introduced.

EuroCombi-1, First Symposium of the European Society of Combinatorial Science, Budapest, July 1-5, 2001
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