Design of chemical space networks incorporating compound distance relationships [version 1; referees: 2 approved]

Autor: Antonio de la Vega de León, Jürgen Bajorath
Jazyk: angličtina
Rok vydání: 2016
Předmět:
Zdroj: F1000Research, Vol 5 (2016)
Druh dokumentu: article
ISSN: 2046-1402
DOI: 10.12688/f1000research.10021.1
Popis: Networks, in which nodes represent compounds and edges pairwise similarity relationships, are used as coordinate-free representations of chemical space. So-called chemical space networks (CSNs) provide intuitive access to structural relationships within compound data sets and can be annotated with activity information. However, in such similarity-based networks, distances between compounds are typically determined for layout purposes and clarity and have no chemical meaning. By contrast, inter-compound distances as a measure of dissimilarity can be directly obtained from coordinate-based representations of chemical space. Herein, we introduce a CSN variant that incorporates compound distance relationships and thus further increases the information content of compound networks. The design was facilitated by adapting the Kamada-Kawai algorithm. Kamada-Kawai networks are the first CSNs that are based on numerical similarity measures, but do not depend on chosen similarity threshold values.
Databáze: Directory of Open Access Journals