期刊
JOURNAL OF MEDICAL VIROLOGY
卷 90, 期 1, 页码 13-18出版社
WILEY
DOI: 10.1002/jmv.24934
关键词
guanosine inhibitors; molecular docking; molecular dynamics simulation; polymerase; protein-ligand docking; Zika virus
类别
资金
- Cyprus Institute of Science [pro15b114s1]
In the year 2015, new Zika virus (ZIKV) broke out in Brazil and spread away in more than 80 countries. Scientists directed their efforts toward viral polymerase in attempt to find inhibitors that might interfere with its function. In this study, molecular dynamics simulation (MDS) was performed over 444ns for a ZIKV polymerase model. Molecular docking (MD) was then performed every 10ns during the MDS course to ensure the binding of small molecules to the polymerase over the entire time of the simulation. MD revealed the binding ability of four suggested guanosine inhibitors (GIs); (Guanosine substituted with OH and SH (phenyl) oxidanyl in the 2 carbon of the ribose ring). The GIs were compared to guanosine triphosphate (GTP) and five anti-hepatitis C virus drugs (either approved or under clinical trials). The mode of binding and the binding performance of GIs to ZIKV polymerase were found to be the same as GTP. Hence, these compounds were capable of competing GTP for the active site. Moreover, GIs bound to ZIKV active site more tightly compared to ribavirin, the wide-range antiviral drug.
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