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Current Computer-Aided Drug Design

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ISSN (Print): 1573-4099
ISSN (Online): 1875-6697

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Research Article

Evaluation of Chemotherapeutic Activity of the Selected Bases’ Analogues of Nucleic Acids Supported by ab initio Various Quantum Chemical Calculations

Author(s): Piotr Kawczak*, Leszek Bober and Tomasz Bączek

Volume 16, Issue 2, 2020

Page: [93 - 103] Pages: 11

DOI: 10.2174/1573409915666190206212024

Price: $65

Abstract

Background: Pharmacological and physicochemical classification of bases’ selected analogues of nucleic acids is proposed in the study.

Objective: Structural parameters received by the PCM (Polarizable Continuum Model) with several types of calculation methods for the structures in vacuo and in the aquatic environment together with the huge set of extra molecular descriptors obtained by the professional software and literature values of biological activity were used to search the relationships.

Methods: Principal Component Analysis (PCA) together with Factor Analysis (FA) and Multiple Linear Regressions (MLR) as the types of the chemometric approach based on semi-empirical ab initio molecular modeling studies were performed.

Results: The equations with statistically significant descriptors were proposed to demonstrate both the common and differentiating characteristics of the bases' analogues of nucleic acids based on the quantum chemical calculations and biological activity data.

Conclusion: The obtained QSAR models can be used for predicting and explaining the activity of studied molecules.

Keywords: Nucleic acids analogues, chemotherapeutic activity, molecular modeling, descriptors, QSAR, PCA, FA, MLR.

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