期刊
CHEMICAL BIOLOGY & DRUG DESIGN
卷 98, 期 2, 页码 258-269出版社
WILEY
DOI: 10.1111/cbdd.13895
关键词
drug discovery; electron affinity; electronegativity; molecular field descriptors; partial least squares; QSAR
资金
- Academy of Scientific and Innovative Research (AcSIR)
- Council of Scientific and Industrial Research (CSIR), New Delhi, India
In this study, PMF descriptors utilizing intrinsic atomic properties were utilized to predict the activities of target protein inhibitors, showing competitiveness to existing QSAR models. The algorithm was also demonstrated to effectively screen naturally occurring molecules with unknown bioactivities.
For quantitative structure-activity relationship (QSAR) modeling in ligand-based drug discovery programs, pseudo-molecular field (PMF) descriptors using intrinsic atomic properties, namely, electronegativity and electron affinity are studied. In combination with partial least squares analysis and Procrustes transformation, these PMF descriptors were employed successfully to develop correlations that predict the activities of target protein inhibitors involved in various diseases (cancer, neurodegenerative disorders, HIV, and malaria). The results show that the present QSAR approach is competitive to existing QSAR models. In order to demonstrate the use of this algorithm, we present results of screening naturally occurring molecules with unknown bioactivities. The pIC(50) predictions can screen molecules that have desirable activity before assessment by docking studies.
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