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Information Journal Paper

Title

AN IN SILICO SILICO BASED COMPARISON OF DRUG INTERACTIONS IN WILD AND MUTANT HUMAN β-TUBULIN THROUGH DOCKING STUDIES

Pages

  81-93

Abstract

 Background: TUBULIN protein being the fundamental unit of MICROTUBULES is actively involved in cell division thus making them a potential anti-cancer drug target. In spite of many reported drugs against TUBULIN, few of them have started developing resistance in human b-tubulin due to amino acid substitutions.Methods: In this study we generated three mutants (F270V, A364T and Q292E) using Modeller9v10 which were targeted with compounds from higher and lower plants along with marine isolates using iGEMDOCK2.0 to identify their residual interactions. Results: The mutant F270V does not bring in any increase in the binding affinity in comparison with the TAXOL-wild type due to their conservative substitutions. However, it increases the volume of the active site. A364T mutant brings a better binding among few of the marine and higher plants isolates due to the substitution of the non-reactive methyl group with the polar residue. But this leads to reduced active site volume. Finally the mutant Q292E from epothilone binding site brings a remarkable change in drug binding in the mutants in comparison with the wild type due to the substitution of uncharged residue with the charged one. But as such there was no change in the volume of the active site observed in them. Conclusion: Lower plants extracts were reported to exhibit better interactions with the TAXOL and epothilone binding sites. Whereas marine and higher plants isolates shows significant interactions only in the wild type instead of the mutants. In addition to this, the residual substitutions were also found to alter the conformations of the active sites in mutants.

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    APA: Copy

    CHELLASAMY, SELVAAKUMAR, & MOHAMMED, SUDHEER M.M.. (2014). AN IN SILICO SILICO BASED COMPARISON OF DRUG INTERACTIONS IN WILD AND MUTANT HUMAN β-TUBULIN THROUGH DOCKING STUDIES. AVICENNA JOURNAL OF MEDICAL BIOTECHNOLOGY (AJMB), 6(2), 81-93. SID. https://sid.ir/paper/313830/en

    Vancouver: Copy

    CHELLASAMY SELVAAKUMAR, MOHAMMED SUDHEER M.M.. AN IN SILICO SILICO BASED COMPARISON OF DRUG INTERACTIONS IN WILD AND MUTANT HUMAN β-TUBULIN THROUGH DOCKING STUDIES. AVICENNA JOURNAL OF MEDICAL BIOTECHNOLOGY (AJMB)[Internet]. 2014;6(2):81-93. Available from: https://sid.ir/paper/313830/en

    IEEE: Copy

    SELVAAKUMAR CHELLASAMY, and SUDHEER M.M. MOHAMMED, “AN IN SILICO SILICO BASED COMPARISON OF DRUG INTERACTIONS IN WILD AND MUTANT HUMAN β-TUBULIN THROUGH DOCKING STUDIES,” AVICENNA JOURNAL OF MEDICAL BIOTECHNOLOGY (AJMB), vol. 6, no. 2, pp. 81–93, 2014, [Online]. Available: https://sid.ir/paper/313830/en

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