Read e-book online Chemoinformatics: Theory, Practice, & Products PDF

By Barry A. Bunin, Brian Siesel, Guillermo Morales, Jürgen Bajorath

ISBN-10: 1402050003

ISBN-13: 9781402050008

ISBN-10: 1402050011

ISBN-13: 9781402050015

Chemoinformatics is using info expertise within the acquisition, research and administration of information and data with regards to chemical substances and their homes. the aim of this e-book is to supply computational scientists, medicinal chemists and biologists with entire sensible details and underlying idea on the subject of sleek Chemoinformatics and similar drug discovery informatics applied sciences. this can be an important instruction manual for making a choice on the ideal Chemoinformatics strategy or expertise to take advantage of.

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Additional info for Chemoinformatics: Theory, Practice, & Products

Example text

However, one of these 16 compounds that were assayed turned out to be a novel hit and was structurally distinct from the search templates. Obtaining such results from VS is certainly far from being routine. 28. Summary of a combined HTS and VS effort of database compounds and, by doing so, identifying new actives is a task much like finding “needles in haystacks”. It is rather fascinating that computational methodologies can be successfully applied in such cases and, consequently, theses results should catalyze further progress in the chemoinformatics area.

Groups of similar compounds map to similar nodes (and node vectors) more similar to the one of the test molecule. This creates groups of similar nodes that match test molecules having similar descriptor vectors. The learning process continues by gradually reducing the connection weights and value adjustments of neighboring nodes. These calculations generate larger numbers of groups of similar nodes but reduce group size, which increases the resolution of the molecular classification scheme. 17, SOMs ultimately assign similar molecules to regions of similar nodes and additional compounds can be mapped based on their descriptor vectors.

This can be done by searching R-groups as substructures in a clipped reagent database or, more elegantly, by applying algorithms that are capable of retroactively dividing compounds into building blocks and reagents for specific chemical reactions (Lewell et al. 1998). 3 Multi-objective design. Although diversity is a crucial aspect for library design (and the focal point of many studies), it is clearly not the only important design parameter. For example, the issue whether library compounds have desired chemical properties and are stable and non-toxic is equally important.

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Chemoinformatics: Theory, Practice, & Products by Barry A. Bunin, Brian Siesel, Guillermo Morales, Jürgen Bajorath

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