Molecular Docking Evaluation of Imidazole Analogues as Potent Candida albicans 14α-Demethylase Inhibitors
Candida albicans is one of the most important causes of life-threating fungal infections.
Lanosterol 14α-demethylase (Cytochrome P450DM) is the target enzyme of azole antifungal agents. The study involved
selection and modeling of the target enzyme followed by refinement of the model using molecular dynamic simulation.
The modeled structure of enzyme was validated using Ramachandran plot and Sequence determination technique. A series
of chlorosubstituted imidazole analogues were evaluated for Cytochrome P450 inhibitory activity using molecular
docking studies. The imidazole analogues were prepared using Chem sketch and molecular docking was performed using
Molergo Virtual Docker program. The docking study indicated that all the imidazole analogues (AN1-AN45) and standard
drugs i.e., Ketoconazole, Clotrimazole and Miconazole have interaction with protein residue of 14α-demethylase, Heme
cofactor and the water molecules present in the active site.
Keywords: Antifungal agents, Candida albicans, 14α-demethylase, imidazole, molecular docking, molecular modeling.
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