Clement Agoni1, Pritika Ramharack2, Mahmoud Es Soliman1,2,3. 1. Molecular Bio-Computation & Drug Design Research Laboratory, School of Health Sciences, University of KwaZulu-Natal, Westville Campus, Durban 4001, South Africa. 2. Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt. 3. College of Pharmacy & Pharmaceutical Sciences, Florida Agricultural & Mechanical University, FAMU, Tallahassee, FL 32307, USA.
Abstract
AIM: Amid the current global challenge of antimicrobial resistance, RNA polymerase remains a paramount therapeutic target for tuberculosis. Dual binding of rifampin (RIF) and a novel compound, DAAP1, demonstrated the suppression of RIF resistance. However, a paucity of data elucidating the structural mechanism of action of this synergistic interaction prevails. Methodology & results: Molecular dynamic simulations unraveled the synergistic inhibitory characteristics of DAAP1 and RIF. Co-binding induced a stable protein, increased the degree of compactness of binding site residues around RIF and subsequently an improved binding affinity toward RIF. CONCLUSION: Findings established the structural mechanism by which DAAP1 stabilizes Mycobacterium tuberculosis RNA polymerase, thus possibly suppressing RIF resistance. This study will assist toward the design of novel inhibitors combating drug resistance in tuberculosis.
AIM: Amid the current global challenge of antimicrobial resistance, RNA polymerase remains a paramount therapeutic target for tuberculosis. Dual binding of rifampin (RIF) and a novel compound, DAAP1, demonstrated the suppression of RIF resistance. However, a paucity of data elucidating the structural mechanism of action of this synergistic interaction prevails. Methodology & results: Molecular dynamic simulations unraveled the synergistic inhibitory characteristics of DAAP1 and RIF. Co-binding induced a stable protein, increased the degree of compactness of binding site residues around RIF and subsequently an improved binding affinity toward RIF. CONCLUSION: Findings established the structural mechanism by which DAAP1 stabilizes Mycobacterium tuberculosis RNA polymerase, thus possibly suppressing RIF resistance. This study will assist toward the design of novel inhibitors combating drug resistance in tuberculosis.
Authors: Ransford Oduro Kumi; Opeyemi S Soremekun; Abdul Rashid Issahaku; Clement Agoni; Fisayo A Olotu; Mahmoud E S Soliman Journal: J Mol Model Date: 2020-03-04 Impact factor: 1.810
Authors: Ghazi Elamin; Aimen Aljoundi; Mohamed Issa Alahmdi; Nader E Abo-Dya; Mahmoud E S Soliman Journal: J Mol Model Date: 2022-10-12 Impact factor: 2.172
Authors: Oluwole B Akawa; Temitayo I Subair; Opeyemi S Soremekun; Fisayo A Olotu; Mahmoud E S Soliman Journal: RSC Adv Date: 2021-02-18 Impact factor: 3.361