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Letters in Drug Design & Discovery

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ISSN (Print): 1570-1808
ISSN (Online): 1875-628X

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Research Article

Field Based 3D-QSAR Model of KATP Channel Activation by 4, 6 Di-substituted Benzopyran Derivatives

Author(s): Yaseen Gigani, Swati Gupta, Andrew Lynn and Kamlesh Asotra

Volume 14, Issue 3, 2017

Page: [301 - 305] Pages: 5

DOI: 10.2174/1570180813666160810150801

Price: $65

Abstract

Background: A 3D-QSAR model of KATP channel activation by benzopyran derivatives has been developed using molecular field alignment method. The model based on pED50 values required for myorelaxant activity by 4, 6 disubstituted benzopyrans has been explored.

Discussion: The results are critically discussed based on molecular field of the structures and their alignment with the most potent compound of the series, i.e. Cromakalim. The model had an R2 of 0.99 and the training set of 25 compounds. A Leave-Many-Out (LMO) cross-validated value (Q2) of 0.496 with RMSETraining of 0.020 indicated that the model had optimum predictive ability on structurally diverse 4, 6 di-substituted benzopyrans.

Conclusion: The developed model and the participating molecular field suggest the potential of replacement groups of 4, 6 di-substituted benzopyrans for structural optimization for the enhancement of biological activity.

Keywords: KATP channel activation, field based 3D-QSAR, 4, 6 di-substituted benzopyran derivatives.

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