Molecular Modeling Studies of 4,5-Dihydro-1H-pyrazolo4,3-h quinazoline Derivatives as Potent CDK2-Cyclin A Inhibitors Using 3D-QSAR and DockingReport as inadecuate




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1

Laboratory for Natural Product Chemistry, College of Pharmacy, South Central University for Nationalities, 708 Minyuan Road, Wuhan 430074, China

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Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou 510632, China

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College of Life Science-Key Laboratory for Biotechnology of the State Ethnic Affairs Commission, South Central University for Nationalities, 708 Minyuan Road, Wuhan 430074, China





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Abstract CDK2-cyclin A has appeared as an attractive drug targets over the years with diverse therapeutic potentials. A computational strategy based on comparative molecular fields analysis CoMFA and comparative molecular similarity indices analysis CoMSIA followed by molecular docking studies were performed on a series of 4,5-dihydro-1H-pyrazolo4,3-hquinazoline derivatives as potent CDK2-cyclin A inhibitors. The CoMFA and CoMSIA models, using 38 molecules in the training set, gave r2cv values of 0.747 and 0.518 and r2 values of 0.970 and 0.934, respectively. 3D contour maps generated by the CoMFA and CoMSIA models were used to identify the key structural requirements responsible for the biological activity. Molecular docking was applied to explore the binding mode between the ligands and the receptor. The information obtained from molecular modeling studies may be helpful to design novel inhibitors of CDK2-cyclin A with desired activity. View Full-Text

Keywords: CDK2-cyclin A; 3D-QSAR; CoMFA; CoMSIA; docking CDK2-cyclin A; 3D-QSAR; CoMFA; CoMSIA; docking





Author: Yong Ai 1, Shao-Teng Wang 1, Ping-Hua Sun 2,* and Fa-Jun Song 3,*

Source: http://mdpi.com/



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