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Citation: YAN Lin-Fang, HU Gui-Xiang, XU Jing, ZHAO Wen-Na, YU Qing-Sen. 3D-QSAR Models on Cholesteryl Ester Transfer Protein Inhibitors[J]. Acta Physico-Chimica Sinica, ;2008, 24(12): 2249-2256. doi: 10.3866/PKU.WHXB20081217 shu

3D-QSAR Models on Cholesteryl Ester Transfer Protein Inhibitors

1.
Key Laboratory for Molecular Design and Nutrition Engineering of Ningbo City, Ningbo Institute of Technology, Zhejiang University, Ningbo 315100, Zhejiang Province, P. R. China

Received Date: 8 July 2008
Available Online: 4 November 2008

A three dimensional-quantitative structure activity relationship (3D-QSAR) study was performed on a series of CETP inhibitors N,N-disubstituted trifluoro-3-amino-2-propanol derivatives using VolSurf descriptors and the comparative molecular field analysis (CoMFA) method. od results were obtained and the training set was predictable for the test set. VolSurf descriptor analysis showed that suitable hydrophilicity, more hydrogen bond donors and less acceptor were favorable to activity. To some extent, high molecular weight, a smooth surface and high non-globularity were also beneficial to activity. High hydrophobicity and an imbalance between the center of mass and the barycentre of its hydrophobic regions decreased the activity. The result of CoMFA demonstrated that the activity was influenced more by steric effect than electrostatic effect. At the phenoxy meta position in the N-phenyl substituent, groups that have a large volume and strong positive electricity increase the activity. At the meta position of the N-benzyl substituent, groups that have a large volume and suitable electronegativity were beneficial to activity. At the para position of the benzyl group, a large steric effect was detrimental to activity. VolSurf descriptors provided the integral property information of the molecules and CoMFA gave information on substituents. Both methods complemented each other, which can provide assistance to the design of new compounds belonging to this class of inhibitors.
- Cholesteryl ester transfer protein (CETP,
- Inhibitor,
- VolSurf,
- CoMFA,
- 3D-QSAR
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