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QSAR and Docking Studies of Gallic Acid Derivatives for Anticancer and Immunomodulatory Activity Nature Precedings
Dharmendra Kumar Yadav; Feroz Khan; Arvind Singh Negi.
Immuno-modulation is the process of alteration in immune response due to foreign intrusion of molecules inside the body. In the present communication QSAR and molecular docking studies for immuno-modulatory activity of derivatives of gallic acid were performed. Molecular docking studies showed higher binding affinity with INFα-2, IL-6, and IL-4 receptors. Binding site residues indicate hydrogen bonds formation with gallic acid derivative compounds G-3, G-4, G-5, G-6, G-7 and G-10. Further screening through quantitative structure activity relationship model establishes the immuno-modulatory activity of the compounds G-4, G-7, G-9, G-10, G-12 and G-13. Activity was predicted through a robust statistical model, developed by forward feed multiple...
Tipo: Presentation Palavras-chave: Biotechnology; Cancer; Chemistry; Pharmacology; Bioinformatics; Plant Biology.
Ano: 2011 URL: http://precedings.nature.com/documents/6620/version/1
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Detection of substrate binding motifs for morphine biosynthetic pathway intermediates in novel wound inducible (R,S)-reticuline 7-O-methyltransferase of Papaver somniferum Nature Precedings
Sonal Mishra; Abha Meena; Sema Singh; Dharmendra Kumar Yadav; Feroz Khan; Rakesh K. Shukla.
The benzylisoquinoline alkaloids (BIA) comprise a large and diverse group of nitrogen-containing secondary metabolites with about 2500 compounds identified in plants. BIA biosynthesis begins with the condensation of the tyrosine derived precursors dopamine and p-hydroxyphenylacetaldehyde to (S)-norcoclaurine. Subsequent regiospecific O- and N-methylations and aromatic ring hydroxylation lead to (S)-reticuline, which is the central intermediate for almost all BIAs. For morphinan alkaloid biosynthesis, (S)-reticuline undergoes an inversion of stereochemistry to (R)-reticuline, followed by C-C phenol coupling catalyzed by a unique cytochrome P450-dependent monooxygenase to yield salutaridine. The cDNA sequence of enzymes leading to (S)-reticuline, as well as...
Tipo: Poster Palavras-chave: Biotechnology; Molecular Cell Biology; Bioinformatics; Plant Biology; Evolutionary Biology.
Ano: 2011 URL: http://precedings.nature.com/documents/5790/version/1
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