Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 12, Issue 3, Pages 1605-1624Publisher
MDPI AG
DOI: 10.3390/ijms12031605
Keywords
3D-QSAR; CoMFA; CoMSIA; Docking; pyrrole-indoline-2-ones; Aurora kinases
Funding
- Special Funds of Basic Scientific Research for Central Universities in South-Central University for Nationalities (FJ Song Group)
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Aurora kinases have emerged as attractive targets for the design of anticancer drugs. 3D-QSAR ( comparative molecular field analysis (CoMFA) and comparative molecular similarity indices analysis (CoMSIA)) and Surflex-docking studies were performed on a series of pyrrole-indoline-2-ones as Aurora A inhibitors. The CoMFA and CoMSIA models using 25 inhibitors in the training set gave r(cv)(2) values of 0.726 and 0.566, and r(2) values of 0.972 and 0.984, respectively. The adapted alignment method with the suitable parameters resulted in reliable models. The contour maps produced by the CoMFA and CoMSIA models were employed to rationalize the key structural requirements responsible for the activity. Surflex-docking studies revealed that the sulfo group, secondary amine group on indolin-2-one, and carbonyl of 6,7-dihydro-1H-indol-4(5H)-one groups were significant for binding to the receptor, and some essential features were also identified. Based on the 3D-QSAR and docking results, a set of new molecules with high predicted activities were designed.
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