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Int. J. Mol. Sci. 2011, 12(5), 2982-2993; doi:10.3390/ijms12052982
Article

3D-QSAR Studies on a Series of Dihydroorotate Dehydrogenase Inhibitors: Analogues of the Active Metabolite of Leflunomide

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Received: 7 March 2011; in revised form: 31 March 2011 / Accepted: 28 April 2011 / Published: 10 May 2011
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Abstract: The active metabolite of the novel immunosuppressive agent leflunomide has been shown to inhibit the enzyme dihydroorotate dehydrogenase (DHODH). This enzyme catalyzes the fourth step in de novo pyrimidine biosynthesis. Self-organizing molecular field analysis (SOMFA), a simple three-dimensional quantitative structure-activity relationship (3D-QSAR) method is used to study the correlation between the molecular properties and the biological activities of a series of analogues of the active metabolite. The statistical results, cross-validated rCV2 (0.664) and non cross-validated r2 (0.687), show a good predictive ability. The final SOMFA model provides a better understanding of DHODH inhibitor-enzyme interactions, and may be useful for further modification and improvement of inhibitors of this important enzyme.
Keywords: DMARDs design; DHODH inhibitors; 3D-QSAR; SOMFA DMARDs design; DHODH inhibitors; 3D-QSAR; SOMFA
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Li, S.-L.; He, M.-Y.; Du, H.-G. 3D-QSAR Studies on a Series of Dihydroorotate Dehydrogenase Inhibitors: Analogues of the Active Metabolite of Leflunomide. Int. J. Mol. Sci. 2011, 12, 2982-2993.

AMA Style

Li S-L, He M-Y, Du H-G. 3D-QSAR Studies on a Series of Dihydroorotate Dehydrogenase Inhibitors: Analogues of the Active Metabolite of Leflunomide. International Journal of Molecular Sciences. 2011; 12(5):2982-2993.

Chicago/Turabian Style

Li, Shun-Lai; He, Mao-Yu; Du, Hong-Guang. 2011. "3D-QSAR Studies on a Series of Dihydroorotate Dehydrogenase Inhibitors: Analogues of the Active Metabolite of Leflunomide." Int. J. Mol. Sci. 12, no. 5: 2982-2993.


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