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Digitale Medien

Effects of variable selection on CoMFA coefficient contour maps in a set of triazines inhibiting DHFR (1994)

Greco, Giovanni ; Novellino, Ettore ; Pellecchia, Maurizio ; [weitere]

Springer

Journal of computer aided molecular design 8 (1994), S. 97-112

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ISSN: 1573-4951

Schlagwort(e): Triazines ; DHFR ; QSAR ; 3D QSAR ; CoMFA

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie

Notizen: Summary An example of a CoMFA study is described with the aim to discuss one of the major problems of this 3D QSAR method: lack of variable selection. It is shown that the use of nonrelevant energy parameters might produce CoMFA contour maps which poorly reflect the actual nature of the binding site and are in part statistical artefacts. The data set employed in our analysis comparises triazine inhibitors of dihydrofolate reductase (DHFR), isolated from chicken liver, which have already been the object of a QSAR study by other authors. Since three-dimensional structures of triazine-DHFR complexes are known, it was possible not only to reduce ambiguities in the superimposition of the ligands, but also to compare the resulting CoMFA contour maps with the enzyme active site.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00119861

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