Thioguanine-based DENV-2 NS2B/NS3 protease inhibitors: Virtual screening, synthesis, biological evaluation and molecular modelling
Dengue virus Type 2 (DENV-2) is predominant serotype causing major dengue epidemics. There are a number of studies carried out to find its effective antiviral, however to date, there is still no molecule either from peptide or small molecules released as a drug. The present study aims to identify sm...
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Public Library of Science
2019
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iium-479622019-07-12T07:49:42Z http://irep.iium.edu.my/47962/ Thioguanine-based DENV-2 NS2B/NS3 protease inhibitors: Virtual screening, synthesis, biological evaluation and molecular modelling Hariono, Maywan Choi, Sy Bing Roslim, Ros Fatihah Mohd. Nawi, Mohamed Sufian Tan, Mei Lan Kamarulzaman, Ezatul Ezleen Mohamed, Nornisah Yusof, Rohana Othman, Shatrah Abd Rahman, Noorsaadah Othman, Rozana A. Wahab, Habibah RS Pharmacy and materia medica RS403 Materia Medica-Pharmaceutical Chemistry Dengue virus Type 2 (DENV-2) is predominant serotype causing major dengue epidemics. There are a number of studies carried out to find its effective antiviral, however to date, there is still no molecule either from peptide or small molecules released as a drug. The present study aims to identify small molecules inhibitor from National Cancer Institute database through virtual screening. One of the hits, D0713 (IC50 = 62 μM) bearing thioguanine scaffold was derivatised into 21 compounds and evaluated for DENV-2 NS2B/NS3 protease inhibitory activity. Compounds 18 and 21 demonstrated the most potent activity with IC50 of 0.38 μM and 16 μM, respectively. Molecular dynamics and MM/PBSA free energy of binding calculation were conducted to study the interaction mechanism of these compounds with the protease. The free energy of binding of 18 calculated by MM/PBSA is -16.10 kcal/mol compared to the known inhibitor, panduratin A (-11.27 kcal/mol), which corroborates well with the experimental observation. Results from molecular dynamics simulations also showed that both 18 and 21 bind in the active site and stabilised by the formation of hydrogen bonds with Asn174. Public Library of Science 2019-01 Article PeerReviewed application/pdf en http://irep.iium.edu.my/47962/1/47962_Thioguanine-based%20DENV-2%20NS2B-NS3.pdf application/pdf en http://irep.iium.edu.my/47962/2/47962_Thioguanine-based%20DENV-2%20NS2B-NS3_SCOPUS.pdf application/pdf en http://irep.iium.edu.my/47962/3/47962_Thioguanine-based%20DENV-2%20NS2B-NS3_WOS.pdf Hariono, Maywan and Choi, Sy Bing and Roslim, Ros Fatihah and Mohd. Nawi, Mohamed Sufian and Tan, Mei Lan and Kamarulzaman, Ezatul Ezleen and Mohamed, Nornisah and Yusof, Rohana and Othman, Shatrah and Abd Rahman, Noorsaadah and Othman, Rozana and A. Wahab, Habibah (2019) Thioguanine-based DENV-2 NS2B/NS3 protease inhibitors: Virtual screening, synthesis, biological evaluation and molecular modelling. PLoS ONE, 14 (1). pp. 1-21. ISSN 1932-6203 https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0210869&type=printable 10.1371/journal.pone.0210869 |
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RS Pharmacy and materia medica RS403 Materia Medica-Pharmaceutical Chemistry |
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RS Pharmacy and materia medica RS403 Materia Medica-Pharmaceutical Chemistry Hariono, Maywan Choi, Sy Bing Roslim, Ros Fatihah Mohd. Nawi, Mohamed Sufian Tan, Mei Lan Kamarulzaman, Ezatul Ezleen Mohamed, Nornisah Yusof, Rohana Othman, Shatrah Abd Rahman, Noorsaadah Othman, Rozana A. Wahab, Habibah Thioguanine-based DENV-2 NS2B/NS3 protease inhibitors: Virtual screening, synthesis, biological evaluation and molecular modelling |
description |
Dengue virus Type 2 (DENV-2) is predominant serotype causing major dengue epidemics. There are a number of studies carried out to find its effective antiviral, however to date, there is still no molecule either from peptide or small molecules released as a drug. The present study aims to identify small molecules inhibitor from National Cancer Institute database through virtual screening. One of the hits, D0713 (IC50 = 62 μM) bearing thioguanine scaffold was derivatised into 21 compounds and evaluated for DENV-2 NS2B/NS3 protease inhibitory activity. Compounds 18 and 21 demonstrated the most potent activity with IC50 of 0.38 μM and 16 μM, respectively. Molecular dynamics and MM/PBSA free energy of binding calculation were conducted to study the interaction mechanism of these compounds with the protease. The free energy of binding of 18 calculated by MM/PBSA is -16.10 kcal/mol compared to the known inhibitor, panduratin A (-11.27 kcal/mol), which corroborates well with the experimental observation. Results from molecular dynamics simulations also showed that both 18 and 21 bind in the active site and stabilised by the formation of hydrogen bonds with Asn174. |
format |
Article |
author |
Hariono, Maywan Choi, Sy Bing Roslim, Ros Fatihah Mohd. Nawi, Mohamed Sufian Tan, Mei Lan Kamarulzaman, Ezatul Ezleen Mohamed, Nornisah Yusof, Rohana Othman, Shatrah Abd Rahman, Noorsaadah Othman, Rozana A. Wahab, Habibah |
author_facet |
Hariono, Maywan Choi, Sy Bing Roslim, Ros Fatihah Mohd. Nawi, Mohamed Sufian Tan, Mei Lan Kamarulzaman, Ezatul Ezleen Mohamed, Nornisah Yusof, Rohana Othman, Shatrah Abd Rahman, Noorsaadah Othman, Rozana A. Wahab, Habibah |
author_sort |
Hariono, Maywan |
title |
Thioguanine-based DENV-2 NS2B/NS3 protease inhibitors: Virtual screening, synthesis, biological evaluation and molecular modelling |
title_short |
Thioguanine-based DENV-2 NS2B/NS3 protease inhibitors: Virtual screening, synthesis, biological evaluation and molecular modelling |
title_full |
Thioguanine-based DENV-2 NS2B/NS3 protease inhibitors: Virtual screening, synthesis, biological evaluation and molecular modelling |
title_fullStr |
Thioguanine-based DENV-2 NS2B/NS3 protease inhibitors: Virtual screening, synthesis, biological evaluation and molecular modelling |
title_full_unstemmed |
Thioguanine-based DENV-2 NS2B/NS3 protease inhibitors: Virtual screening, synthesis, biological evaluation and molecular modelling |
title_sort |
thioguanine-based denv-2 ns2b/ns3 protease inhibitors: virtual screening, synthesis, biological evaluation and molecular modelling |
publisher |
Public Library of Science |
publishDate |
2019 |
url |
http://irep.iium.edu.my/47962/ http://irep.iium.edu.my/47962/ http://irep.iium.edu.my/47962/ http://irep.iium.edu.my/47962/1/47962_Thioguanine-based%20DENV-2%20NS2B-NS3.pdf http://irep.iium.edu.my/47962/2/47962_Thioguanine-based%20DENV-2%20NS2B-NS3_SCOPUS.pdf http://irep.iium.edu.my/47962/3/47962_Thioguanine-based%20DENV-2%20NS2B-NS3_WOS.pdf |
first_indexed |
2023-09-18T21:08:09Z |
last_indexed |
2023-09-18T21:08:09Z |
_version_ |
1777411072725090304 |