1
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Rahebi P, Aryapour H. Reconstruction of the unbinding pathways of new inhibitors of the SARS-CoV-2 papain-like protease using molecular dynamics simulation. J Biomol Struct Dyn 2024; 42:7501-7514. [PMID: 37505097 DOI: 10.1080/07391102.2023.2240424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 07/18/2023] [Indexed: 07/29/2023]
Abstract
Developing novel antiviral drugs against the SARS-CoV-2 virus and COVID-19 disease is imperative as the vaccines may not offer absolute protection. PLpro plays a crucial role in the viral life cycle, making it an attractive target for drug development. Several PLpro inhibitors have been developed, and their 3D structures in complex with PLpro are available. In this work, we employed Supervised Molecular Dynamics (SuMD), a specific Unbiased Molecular Dynamics (UMD) method, to investigate unbinding pathways of the novel inhibitors of PLpro (PDB IDs: 7LBR, 7RZC, 7SDR and 7E35) and GRL0617 (PDB ID: 7JRN) as a reference. We conducted three simulations for each ligand and achieved unbinding events in the nanosecond timescale in all simulations. We found that unbinding events are commonly affected by altering the conformation of the BL2 loop, which is caused by the natural fluctuations of the loop that are required to trap the substrate and throw out the product. BL2 loop is crucial for keeping the ligand and unbinding and acts as a double-edged sword. Any inhibitor designed to be effective must prevent the loop's natural fluctuations. We perceived that increasing ligands interactions with the binding pocket interior and the BL2 loop will help prevent natural fluctuation of the BL2 loop, Although the interactions with the binding pocket's inner side are more critical than the BL2 loop. These findings may be helpful in developing more potent inhibitors against SARS-CoV-2.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Pouya Rahebi
- Department of Biology, Faculty of Science, Golestan University, Gorgan, Iran
| | - Hassan Aryapour
- Department of Biology, Faculty of Science, Golestan University, Gorgan, Iran
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2
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Prabha S, Chauhan P, Warkare S, Pandey KM. A computational investigation of potential plant-based bioactive compounds against drug-resistant Staphylococcus aureus of multiple target proteins. J Biomol Struct Dyn 2023:1-19. [PMID: 38133950 DOI: 10.1080/07391102.2023.2297009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 12/13/2023] [Indexed: 12/24/2023]
Abstract
Drug-resistant Staphylococcus aureus (DRSA) poses a significant global health threat, like bacteremia, endocarditis, skin, soft tissue, bone, and joint infections. Nowadays, the resistance against conventional drugs has been a prompt and focused medical concern. The present study aimed to explore the inhibitory potential of plant-based bioactive compounds (PBBCs) against effective target proteins using a computational approach. We retrieved and verified 22 target proteins associated with DRSA and conducted a screening process that involved testing 87 PBBCs. Molecular docking was performed between screened PBBCs and reference drugs with selected target proteins via AutoDock. Subsequently, we filtered the target proteins and top PBBCs based on their binding affinity scores. Furthermore, molecular dynamic simulation was carried out through GROMACS for a duration of 100 ns, and the binding free energy was calculated using the gmx_MMPBSA. The result showed consistent hydrogen bonding interactions among the amino acid residues Ser 149, Arg 151, Thr 165, Thr 216, Glu 239, Ser 240, Ile 14, as well as Asn 18, Gln 19, Lys 45, Thr 46, Tyr 109, with their respective target proteins of the penicillin-binding protein and dihydrofolate reductase complex. Additionally, we assessed the pharmacokinetic properties of screened PBBCs via SwissADME and AdmetSAR. The findings suggest that β-amyrin, oleanolic acid, kaempferol, quercetin, and friedelin have the potential to inhibit the selected target proteins. In future research, both in vitro and in vivo, experiments will be needed to establish these PBBCs as potent antimicrobial drugs for DRSA.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Sarit Prabha
- Department of Biological Science and Engineering, Maulana Azad National Institute of Technology, Bhopal, India
| | | | - Sudeesh Warkare
- Department of Biological Science and Engineering, Maulana Azad National Institute of Technology, Bhopal, India
| | - Khushhali M Pandey
- Department of Biological Science and Engineering, Maulana Azad National Institute of Technology, Bhopal, India
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3
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Santos LH, Kronenberger T, Almeida RG, Silva EB, Rocha REO, Oliveira JC, Barreto LV, Skinner D, Fajtová P, Giardini MA, Woodworth B, Bardine C, Lourenço AL, Craik CS, Poso A, Podust LM, McKerrow JH, Siqueira-Neto JL, O’Donoghue AJ, da Silva
Júnior EN, Ferreira RS. Structure-Based Identification of Naphthoquinones and Derivatives as Novel Inhibitors of Main Protease M pro and Papain-like Protease PL pro of SARS-CoV-2. J Chem Inf Model 2022; 62:6553-6573. [PMID: 35960688 PMCID: PMC9397563 DOI: 10.1021/acs.jcim.2c00693] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Indexed: 01/07/2023]
Abstract
The worldwide COVID-19 pandemic caused by the coronavirus SARS-CoV-2 urgently demands novel direct antiviral treatments. The main protease (Mpro) and papain-like protease (PLpro) are attractive drug targets among coronaviruses due to their essential role in processing the polyproteins translated from the viral RNA. In this study, we virtually screened 688 naphthoquinoidal compounds and derivatives against Mpro of SARS-CoV-2. Twenty-four derivatives were selected and evaluated in biochemical assays against Mpro using a novel fluorogenic substrate. In parallel, these compounds were also assayed with SARS-CoV-2 PLpro. Four compounds inhibited Mpro with half-maximal inhibitory concentration (IC50) values between 0.41 μM and 9.0 μM. In addition, three compounds inhibited PLpro with IC50 ranging from 1.9 μM to 3.3 μM. To verify the specificity of Mpro and PLpro inhibitors, our experiments included an assessment of common causes of false positives such as aggregation, high compound fluorescence, and inhibition by enzyme oxidation. Altogether, we confirmed novel classes of specific Mpro and PLpro inhibitors. Molecular dynamics simulations suggest stable binding modes for Mpro inhibitors with frequent interactions with residues in the S1 and S2 pockets of the active site. For two PLpro inhibitors, interactions occur in the S3 and S4 pockets. In summary, our structure-based computational and biochemical approach identified novel naphthoquinonal scaffolds that can be further explored as SARS-CoV-2 antivirals.
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Affiliation(s)
- Lucianna H. Santos
- Department of Biochemistry and Immunology,
Federal University of Minas Gerais, Belo Horizonte, Minas
Gerais 31270-901, Brazil
| | - Thales Kronenberger
- Department of Oncology and Pneumonology, Internal
Medicine VIII, University Hospital Tübingen,
Otfried-Müller-Straße 10, DE72076 Tübingen,
Germany
- School of Pharmacy, Faculty of Health Sciences,
University of Eastern Finland, 70211 Kuopio,
Finland
- Institute of Pharmacy, Pharmaceutical/Medicinal
Chemistry and Tübingen Center for Academic Drug Discovery (TüCAD2),
Eberhard Karls University Tübingen, Auf der
Morgenstelle 8, 72076 Tübingen, Germany
| | - Renata G. Almeida
- Institute of Exact Sciences, Department of Chemistry,
Federal University of Minas Gerais, Belo Horizonte, Minas
Gerais 31270-901, Brazil
| | - Elany B. Silva
- Skaggs School of Pharmacy and Pharmaceutical Sciences,
University of California San Diego, 9500 Gilman Drive, La
Jolla, California 92093-0657, United States
| | - Rafael E. O. Rocha
- Department of Biochemistry and Immunology,
Federal University of Minas Gerais, Belo Horizonte, Minas
Gerais 31270-901, Brazil
| | - Joyce C. Oliveira
- Institute of Exact Sciences, Department of Chemistry,
Federal University of Minas Gerais, Belo Horizonte, Minas
Gerais 31270-901, Brazil
| | - Luiza V. Barreto
- Department of Biochemistry and Immunology,
Federal University of Minas Gerais, Belo Horizonte, Minas
Gerais 31270-901, Brazil
| | - Danielle Skinner
- Skaggs School of Pharmacy and Pharmaceutical Sciences,
University of California San Diego, 9500 Gilman Drive, La
Jolla, California 92093-0657, United States
| | - Pavla Fajtová
- Skaggs School of Pharmacy and Pharmaceutical Sciences,
University of California San Diego, 9500 Gilman Drive, La
Jolla, California 92093-0657, United States
- Institute of Organic Chemistry and Biochemistry,
Academy of Sciences of the Czech Republic, 16610 Prague,
Czech Republic
| | - Miriam A. Giardini
- Skaggs School of Pharmacy and Pharmaceutical Sciences,
University of California San Diego, 9500 Gilman Drive, La
Jolla, California 92093-0657, United States
| | - Brendon Woodworth
- Department of Medicine, Division of Infectious
Diseases, University of California San Diego, La Jolla,
California 92093, United States
| | - Conner Bardine
- Department of Pharmaceutical Chemistry,
University of California San Francisco, San Francisco,
California 94143, United States
| | - André L. Lourenço
- Department of Pharmaceutical Chemistry,
University of California San Francisco, San Francisco,
California 94143, United States
| | - Charles S. Craik
- Department of Pharmaceutical Chemistry,
University of California San Francisco, San Francisco,
California 94143, United States
| | - Antti Poso
- Department of Oncology and Pneumonology, Internal
Medicine VIII, University Hospital Tübingen,
Otfried-Müller-Straße 10, DE72076 Tübingen,
Germany
- School of Pharmacy, Faculty of Health Sciences,
University of Eastern Finland, 70211 Kuopio,
Finland
| | - Larissa M. Podust
- Skaggs School of Pharmacy and Pharmaceutical Sciences,
University of California San Diego, 9500 Gilman Drive, La
Jolla, California 92093-0657, United States
| | - James H. McKerrow
- Skaggs School of Pharmacy and Pharmaceutical Sciences,
University of California San Diego, 9500 Gilman Drive, La
Jolla, California 92093-0657, United States
| | - Jair L. Siqueira-Neto
- Skaggs School of Pharmacy and Pharmaceutical Sciences,
University of California San Diego, 9500 Gilman Drive, La
Jolla, California 92093-0657, United States
| | - Anthony J. O’Donoghue
- Skaggs School of Pharmacy and Pharmaceutical Sciences,
University of California San Diego, 9500 Gilman Drive, La
Jolla, California 92093-0657, United States
| | - Eufrânio N. da Silva
Júnior
- Institute of Exact Sciences, Department of Chemistry,
Federal University of Minas Gerais, Belo Horizonte, Minas
Gerais 31270-901, Brazil
| | - Rafaela S. Ferreira
- Department of Biochemistry and Immunology,
Federal University of Minas Gerais, Belo Horizonte, Minas
Gerais 31270-901, Brazil
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4
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Ton AT, Pandey M, Smith JR, Ban F, Fernandez M, Cherkasov A. Targeting SARS-CoV-2 Papain-Like Protease in the Post-Vaccine Era. Trends Pharmacol Sci 2022; 43:906-919. [PMID: 36114026 PMCID: PMC9399131 DOI: 10.1016/j.tips.2022.08.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 08/10/2022] [Accepted: 08/19/2022] [Indexed: 11/29/2022]
Abstract
While vaccines remain at the forefront of global healthcare responses, pioneering therapeutics against SARS-CoV-2 are expected to fill the gaps for waning immunity. Rapid development and approval of orally available direct-acting antivirals targeting crucial SARS-CoV-2 proteins marked the beginning of the era of small-molecule drugs for COVID-19. In that regard, the papain-like protease (PLpro) can be considered a major SARS-CoV-2 therapeutic target due to its dual biological role in suppressing host innate immune responses and in ensuring viral replication. Here, we summarize the challenges of targeting PLpro and innovative early-stage PLpro-specific small molecules. We propose that state-of-the-art computer-aided drug design (CADD) methodologies will play a critical role in the discovery of PLpro compounds as a novel class of COVID-19 drugs.
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Affiliation(s)
- Anh-Tien Ton
- Vancouver Prostate Centre, University of British Columbia, Vancouver, BC, Canada
| | - Mohit Pandey
- Vancouver Prostate Centre, University of British Columbia, Vancouver, BC, Canada
| | - Jason R Smith
- Vancouver Prostate Centre, University of British Columbia, Vancouver, BC, Canada; Department of Chemistry, Simon Fraser University, Burnaby, Canada
| | - Fuqiang Ban
- Vancouver Prostate Centre, University of British Columbia, Vancouver, BC, Canada
| | - Michael Fernandez
- Vancouver Prostate Centre, University of British Columbia, Vancouver, BC, Canada
| | - Artem Cherkasov
- Vancouver Prostate Centre, University of British Columbia, Vancouver, BC, Canada.
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5
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Gao K, Wang R, Chen J, Cheng L, Frishcosy J, Huzumi Y, Qiu Y, Schluckbier T, Wei X, Wei GW. Methodology-Centered Review of Molecular Modeling, Simulation, and Prediction of SARS-CoV-2. Chem Rev 2022; 122:11287-11368. [PMID: 35594413 PMCID: PMC9159519 DOI: 10.1021/acs.chemrev.1c00965] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Despite tremendous efforts in the past two years, our understanding of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), virus-host interactions, immune response, virulence, transmission, and evolution is still very limited. This limitation calls for further in-depth investigation. Computational studies have become an indispensable component in combating coronavirus disease 2019 (COVID-19) due to their low cost, their efficiency, and the fact that they are free from safety and ethical constraints. Additionally, the mechanism that governs the global evolution and transmission of SARS-CoV-2 cannot be revealed from individual experiments and was discovered by integrating genotyping of massive viral sequences, biophysical modeling of protein-protein interactions, deep mutational data, deep learning, and advanced mathematics. There exists a tsunami of literature on the molecular modeling, simulations, and predictions of SARS-CoV-2 and related developments of drugs, vaccines, antibodies, and diagnostics. To provide readers with a quick update about this literature, we present a comprehensive and systematic methodology-centered review. Aspects such as molecular biophysics, bioinformatics, cheminformatics, machine learning, and mathematics are discussed. This review will be beneficial to researchers who are looking for ways to contribute to SARS-CoV-2 studies and those who are interested in the status of the field.
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Affiliation(s)
- Kaifu Gao
- Department
of Mathematics, Michigan State University, East Lansing, Michigan 48824, United States
| | - Rui Wang
- Department
of Mathematics, Michigan State University, East Lansing, Michigan 48824, United States
| | - Jiahui Chen
- Department
of Mathematics, Michigan State University, East Lansing, Michigan 48824, United States
| | - Limei Cheng
- Clinical
Pharmacology and Pharmacometrics, Bristol
Myers Squibb, Princeton, New Jersey 08536, United States
| | - Jaclyn Frishcosy
- Department
of Mathematics, Michigan State University, East Lansing, Michigan 48824, United States
| | - Yuta Huzumi
- Department
of Mathematics, Michigan State University, East Lansing, Michigan 48824, United States
| | - Yuchi Qiu
- Department
of Mathematics, Michigan State University, East Lansing, Michigan 48824, United States
| | - Tom Schluckbier
- Department
of Mathematics, Michigan State University, East Lansing, Michigan 48824, United States
| | - Xiaoqi Wei
- Department
of Mathematics, Michigan State University, East Lansing, Michigan 48824, United States
| | - Guo-Wei Wei
- Department
of Mathematics, Michigan State University, East Lansing, Michigan 48824, United States
- Department
of Electrical and Computer Engineering, Michigan State University, East Lansing, Michigan 48824, United States
- Department
of Biochemistry and Molecular Biology, Michigan
State University, East Lansing, Michigan 48824, United States
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6
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Ferreira GM, Pillaiyar T, Hirata MH, Poso A, Kronenberger T. Inhibitor induced conformational changes in SARS-COV-2 papain-like protease. Sci Rep 2022; 12:11585. [PMID: 35803957 PMCID: PMC9270405 DOI: 10.1038/s41598-022-15181-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 06/20/2022] [Indexed: 01/24/2023] Open
Abstract
SARS-CoV-2's papain-like protease (PLpro) interaction with ligands has recently been explored with a myriad of crystal structures. We used molecular dynamics (MD) simulations to study different PLpro-ligand complexes, their ligand-induced conformational changes, and interactions. We focused on inhibitors reported with known IC50 against PLpro, namely GRL-0617, XR8-89, PLP_Snyder530, and Sander's recently published compound 7 (CPD7), and compared these trajectories against the apostructure (Apo), with a total of around 60 µs worth simulation data. We aimed to study the conformational changes using molecular dynamics simulations for the inhibitors in the PLpro. PCA analyses and the MSM models revealed distinct conformations of PLpro in the absence/presence of ligands and proposed that BL2-loop contributes to the accessibility of these inhibitors. Further, bulkier substituents closer to Tyr268 and Gln269 could improve inhibition of SARS-CoV-2 PLpro by occupying the region between BL2-groove and BL2-loop, but we also expand on the relevance of exploring multiple PLpro sub-pockets to improve inhibition.
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Affiliation(s)
- Glaucio Monteiro Ferreira
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Av Prof Lineu Prestes 580, São Paulo, 05508-000, Brazil
| | - Thanigaimalai Pillaiyar
- Institute of Pharmacy, Pharmaceutical/Medicinal Chemistry and Tübingen Center for Academic Drug Discovery, Eberhard Karls University Tübingen, Auf der Morgenstelle 8, 72076, Tübingen, Germany
| | - Mario Hiroyuki Hirata
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Av Prof Lineu Prestes 580, São Paulo, 05508-000, Brazil
| | - Antti Poso
- Department of Oncology and Pneumonology, Internal Medicine VIII, University Hospital Tübingen, Otfried-Müller-Straße 10, 72076, Tübingen, Germany
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, 70211, Kuopio, Finland
| | - Thales Kronenberger
- Institute of Pharmacy, Pharmaceutical/Medicinal Chemistry and Tübingen Center for Academic Drug Discovery, Eberhard Karls University Tübingen, Auf der Morgenstelle 8, 72076, Tübingen, Germany.
- Department of Oncology and Pneumonology, Internal Medicine VIII, University Hospital Tübingen, Otfried-Müller-Straße 10, 72076, Tübingen, Germany.
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, 70211, Kuopio, Finland.
- Tübingen Center for Academic Drug Discovery and Development (TüCAD2), 72076, Tübingen, Germany.
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7
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Bhowmick S, AlFaris NA, Zaidan ALTamimi J, ALOthman ZA, Patil PC, Aldayel TS, Wabaidur SM, Saha A. Identification of bio-active food compounds as potential SARS-CoV-2 PLpro inhibitors-modulators via negative image-based screening and computational simulations. Comput Biol Med 2022; 145:105474. [PMID: 35395517 PMCID: PMC8973019 DOI: 10.1016/j.compbiomed.2022.105474] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 03/10/2022] [Accepted: 03/29/2022] [Indexed: 12/16/2022]
Abstract
Despite significant studies on the COVID-19 pandemic, scientists around the world are still battling to find a definitive therapy against the ongoing severe global health crisis. In this study, advanced computational approaches have been employed to identify bioactive food constituents as potential SARS-CoV-2 PLpro inhibitors-modulators. As a validated antiviral drug target, PLpro has gained tremendous attention for therapeutics developments. Therefore, targeting the multifunctional SARS-CoV-2 PLpro protein, ∼1039 bioactive dietary compounds have been screened extensively through novel techniques like negative image-based (NIB) screening and molecular docking approaches. In particular, the three different models of NIB screening have been generated and used to re-score the dietary compounds based on the negative image which is created by reversing the shape and electrostatics features of PLpro protein's ligand-binding cavity. Further, 100 ns molecular dynamics simulation has been performed and MM-GBSA based binding free energies have been estimated for the final proposed four dietary compounds (PC000550, PC000361, PC000558, and PC000573) as potential inhibitors/modulators of SARS-CoV-2 PLpro protein. Employed computational study outcome also has been compared with respect to the earlier experimentally investigated compound GRL0617 against SARS-CoV-2 PLpro protein, which suggests much greater interaction potential in terms of binding affinity and other energetic contributions for the proposed dietary compounds. Hence, the present study suggests that proposed dietary compounds can be suitable chemical entities for modulating the activity of PLpro protein or can be further utilized for optimizing or screening of novel chemical surrogates, however also needs experimental evaluation for entry in clinical studies for better assessment.
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Affiliation(s)
- Shovonlal Bhowmick
- Department of Chemical Technology, University of Calcutta, 92 A.P.C. Road, Kolkata, India
| | - Nora Abdullah AlFaris
- Nutrition and Food Science, Department of Physical Sport Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia,Corresponding author
| | - Jozaa Zaidan ALTamimi
- Nutrition and Food Science, Department of Physical Sport Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Zeid A. ALOthman
- Chemistry Department, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Pritee Chunarkar Patil
- Department of Bioinformatics, Rajiv Gandhi Institute of IT and Biotechnology, Bharati Vidyapeeth Deemed University, Pune-Satara Road, Pune, India
| | - Tahany Saleh Aldayel
- Nutrition and Food Science, Department of Physical Sport Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
| | | | - Achintya Saha
- Department of Chemical Technology, University of Calcutta, 92 A.P.C. Road, Kolkata, India,Corresponding author
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8
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Bhowmick S, Saha A, AlFaris NA, ALTamimi JZ, ALOthman ZA, Aldayel TS, Wabaidur SM, Islam MA. Identification of potent food constituents as SARS-CoV-2 papain-like protease modulators through advanced pharmacoinformatics approaches. J Mol Graph Model 2021; 111:108113. [PMID: 34959151 PMCID: PMC8688376 DOI: 10.1016/j.jmgm.2021.108113] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 12/05/2021] [Accepted: 12/18/2021] [Indexed: 12/15/2022]
Abstract
The current ongoing pandemic of COVID-19 urges immediate treatment measures for controlling the highly contagious SARS-CoV-2 infections. The papain-like protease (PLpro), which is released from nsp3, is presently being evaluated as a significant anti-viral drug target for COVID-19 therapy development. Particularly, PLpro is implicated in the cleavage of viral polyproteins and antagonizes the host innate immune response through its deubiquitinating and deISGylating actions, thus making it a high-profile antiviral therapeutic target. The present study reports a few specific food compounds that can bind tightly with the SARS-CoV-2 PLpro protein identified through extensive computational screening techniques. Precisely, extensive advanced computational approaches combining target-based virtual screening, particularly employing sub-structure based similarity search, molecular docking, molecular dynamics (MD) simulations, and MM-GBSA based binding free energy calculations have been employed for the identification of the most promising food compounds with substantial functional implications as SARS-CoV-2 PLpro protein inhibitors/modulators. Observations from the present research investigation also provide a deeper understanding of the binding modes of the proposed four food compounds with SARS-CoV-2 PLpro protein. In docking analyses, all compounds have established essential inter-molecular interaction profiles at the active site cavity of the SARS-CoV-2 PLpro protein. Similarly, the long-range 100 ns conventional MD simulation studies also provided an in-depth understanding of probable interactions and dynamic behaviour of the SARS-CoV-2 PLpro protein-food compound complexes. Binding free energies of all molecular systems revealed a strong interaction affinity of food compounds towards the SARS-CoV-2 PLpro protein. Moreover, clear-cut comparative analyses against the known standard inhibitor also suggest that proposed food compounds may act as potential active chemical entities for modulating the action of the SARS-CoV-2 PLpro protein.
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Affiliation(s)
- Shovonlal Bhowmick
- Department of Chemical Technology, University of Calcutta, 92, A.P.C. Road, Kolkata, 700009, India
| | - Achintya Saha
- Department of Chemical Technology, University of Calcutta, 92, A.P.C. Road, Kolkata, 700009, India.
| | - Nora Abdullah AlFaris
- Nutrition and Food Science, Department of Physical Sport Science, Princess Nourah bint Abdulrahman University, P. O. Box 84428, Riyadh, 11671, Saudi Arabia
| | - Jozaa Zaidan ALTamimi
- Nutrition and Food Science, Department of Physical Sport Science, Princess Nourah bint Abdulrahman University, P. O. Box 84428, Riyadh, 11671, Saudi Arabia
| | - Zeid A ALOthman
- Department of Chemistry, P.O. Box 2455, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Tahany Saleh Aldayel
- Nutrition and Food Science, Department of Physical Sport Science, Princess Nourah bint Abdulrahman University, P. O. Box 84428, Riyadh, 11671, Saudi Arabia
| | - Saikh Mohammad Wabaidur
- Department of Chemistry, P.O. Box 2455, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Md Ataul Islam
- Division of Pharmacy and Optometry, School of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Oxford Road, Manchester, M13 9PL, United Kingdom.
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9
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Belachew AM, Feyisa A, Mohamed SB, W/Mariam JF. Investigating Fungi-Derived Bioactive Molecules as Inhibitor of the SARS Coronavirus Papain Like Protease: Computational Based Study. Front Med (Lausanne) 2021; 8:752095. [PMID: 34746186 PMCID: PMC8566946 DOI: 10.3389/fmed.2021.752095] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 09/15/2021] [Indexed: 12/27/2022] Open
Abstract
Due to the rapid growth of the COVID-19 pandemic and its outcomes, developing a remedy to fight the predicament is critical. So far, it has infected more than 214,468,601 million people and caused the death of 4,470,969 million people according to the August 27, 2021, World Health Organization's (WHO) report. Several studies have been published on both computational and wet-lab approaches to develop antivirals for COVID-19, although there has been no success yet. However, the wet-lab approach is laborious, expensive, and time-consuming, and computational techniques have screened the activity of bioactive compounds from different sources with less effort and cost. For this investigation, we screened the binding affinity of fungi-derived bioactive molecules toward the SARS coronavirus papain-like protease (PLpro) by using computational approaches. Studies showed that protease inhibitors can be very effective in controlling virus-induced infections. Additionally, fungi represent a vast source of bioactive molecules, which could be potentially used for antiviral therapy. Fifty fungi-derived bioactive compounds were investigated concerning SARS-CoV-2 PLpro by using Auto Dock 4.2.1, Gromacs 2018. 2, ADMET, Swiss-ADME, FAF-Drugs 4.023, pKCSM, and UCLA-DOE server. From the list of the screened bioactive compounds, Dihydroaltersolanol C, Anthraquinone, Nigbeauvin A, and Catechin were selected with the Auto-Dock results of -8.68, -7.52, -10.46, and -10.58 Kcal/mol, respectively, based on their binding affinity compared to the reference drug. We presented the drug likeliness, toxicity, carcinogenicity, and mutagenicity of all compounds using ADMET analysis. They interacted with the amino acid residues, Gly163, Trp106, Ser111, Asp164, and Cys270, through hydrogen bonds. The root-mean-square deviation (RMSD), root-mean-square fluctuations (RMSF), solvent-accessible surface area (SASA), and radius of gyration (Rg) values revealed a stable interaction. From the overall analyses, we can conclude that Dihydroaltersolanol C, Anthraquinone, Nigbeauvin A, and Catechin are classified as promising candidates for PLpro, thus potentially useful in developing a medicine for COVID-19.
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Affiliation(s)
- Aweke Mulu Belachew
- College of Applied Science, Addis Ababa Science and Technology University, Addis Ababa, Ethiopia
| | - Asheber Feyisa
- College of Natural and Social Science, Addis Ababa Science and Technology University, Addis Ababa, Ethiopia
| | - Seid Belay Mohamed
- College of Natural and Social Science, Addis Ababa Science and Technology University, Addis Ababa, Ethiopia
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10
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Freire MCLC, Noske GD, Bitencourt NV, Sanches PRS, Santos-Filho NA, Gawriljuk VO, de Souza EP, Nogueira VHR, de Godoy MO, Nakamura AM, Fernandes RS, Godoy AS, Juliano MA, Peres BM, Barbosa CG, Moraes CB, Freitas-Junior LHG, Cilli EM, Guido RVC, Oliva G. Non-Toxic Dimeric Peptides Derived from the Bothropstoxin-I Are Potent SARS-CoV-2 and Papain-like Protease Inhibitors. Molecules 2021; 26:4896. [PMID: 34443484 PMCID: PMC8401042 DOI: 10.3390/molecules26164896] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 08/05/2021] [Accepted: 08/07/2021] [Indexed: 12/24/2022] Open
Abstract
The COVID-19 outbreak has rapidly spread on a global scale, affecting the economy and public health systems throughout the world. In recent years, peptide-based therapeutics have been widely studied and developed to treat infectious diseases, including viral infections. Herein, the antiviral effects of the lysine linked dimer des-Cys11, Lys12,Lys13-(pBthTX-I)2K ((pBthTX-I)2K)) and derivatives against SARS-CoV-2 are reported. The lead peptide (pBthTX-I)2K and derivatives showed attractive inhibitory activities against SARS-CoV-2 (EC50 = 28-65 µM) and mostly low cytotoxic effect (CC50 > 100 µM). To shed light on the mechanism of action underlying the peptides' antiviral activity, the Main Protease (Mpro) and Papain-Like protease (PLpro) inhibitory activities of the peptides were assessed. The synthetic peptides showed PLpro inhibition potencies (IC50s = 1.0-3.5 µM) and binding affinities (Kd = 0.9-7 µM) at the low micromolar range but poor inhibitory activity against Mpro (IC50 > 10 µM). The modeled binding mode of a representative peptide of the series indicated that the compound blocked the entry of the PLpro substrate toward the protease catalytic cleft. Our findings indicated that non-toxic dimeric peptides derived from the Bothropstoxin-I have attractive cellular and enzymatic inhibitory activities, thereby suggesting that they are promising prototypes for the discovery and development of new drugs against SARS-CoV-2 infection.
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Affiliation(s)
- Marjorie C. L. C. Freire
- São Carlos Institute of Physics, University of Sao Paulo, Avenida João Dagnone, 1100, São Carlos 13563-120, SP, Brazil; (M.C.L.C.F.); (G.D.N.); (V.O.G.); (V.H.R.N.); (M.O.d.G.); (A.M.N.); (R.S.F.); (A.S.G.)
| | - Gabriela D. Noske
- São Carlos Institute of Physics, University of Sao Paulo, Avenida João Dagnone, 1100, São Carlos 13563-120, SP, Brazil; (M.C.L.C.F.); (G.D.N.); (V.O.G.); (V.H.R.N.); (M.O.d.G.); (A.M.N.); (R.S.F.); (A.S.G.)
| | - Natália V. Bitencourt
- Department of Biochemistry and Organic Chemistry, Institute of Chemistry, São Paulo State University (UNESP), Araraquara 14800-060, SP, Brazil; (N.V.B.); (P.R.S.S.); (N.A.S.-F.); (E.M.C.)
| | - Paulo R. S. Sanches
- Department of Biochemistry and Organic Chemistry, Institute of Chemistry, São Paulo State University (UNESP), Araraquara 14800-060, SP, Brazil; (N.V.B.); (P.R.S.S.); (N.A.S.-F.); (E.M.C.)
| | - Norival A. Santos-Filho
- Department of Biochemistry and Organic Chemistry, Institute of Chemistry, São Paulo State University (UNESP), Araraquara 14800-060, SP, Brazil; (N.V.B.); (P.R.S.S.); (N.A.S.-F.); (E.M.C.)
| | - Victor O. Gawriljuk
- São Carlos Institute of Physics, University of Sao Paulo, Avenida João Dagnone, 1100, São Carlos 13563-120, SP, Brazil; (M.C.L.C.F.); (G.D.N.); (V.O.G.); (V.H.R.N.); (M.O.d.G.); (A.M.N.); (R.S.F.); (A.S.G.)
| | - Eduardo P. de Souza
- Department of Genetics and Evolution, Federal University of São Carlos, Rodovia Washington Luís km 235, São Carlos 13565-905, SP, Brazil;
| | - Victor H. R. Nogueira
- São Carlos Institute of Physics, University of Sao Paulo, Avenida João Dagnone, 1100, São Carlos 13563-120, SP, Brazil; (M.C.L.C.F.); (G.D.N.); (V.O.G.); (V.H.R.N.); (M.O.d.G.); (A.M.N.); (R.S.F.); (A.S.G.)
| | - Mariana O. de Godoy
- São Carlos Institute of Physics, University of Sao Paulo, Avenida João Dagnone, 1100, São Carlos 13563-120, SP, Brazil; (M.C.L.C.F.); (G.D.N.); (V.O.G.); (V.H.R.N.); (M.O.d.G.); (A.M.N.); (R.S.F.); (A.S.G.)
| | - Aline M. Nakamura
- São Carlos Institute of Physics, University of Sao Paulo, Avenida João Dagnone, 1100, São Carlos 13563-120, SP, Brazil; (M.C.L.C.F.); (G.D.N.); (V.O.G.); (V.H.R.N.); (M.O.d.G.); (A.M.N.); (R.S.F.); (A.S.G.)
| | - Rafaela S. Fernandes
- São Carlos Institute of Physics, University of Sao Paulo, Avenida João Dagnone, 1100, São Carlos 13563-120, SP, Brazil; (M.C.L.C.F.); (G.D.N.); (V.O.G.); (V.H.R.N.); (M.O.d.G.); (A.M.N.); (R.S.F.); (A.S.G.)
| | - Andre S. Godoy
- São Carlos Institute of Physics, University of Sao Paulo, Avenida João Dagnone, 1100, São Carlos 13563-120, SP, Brazil; (M.C.L.C.F.); (G.D.N.); (V.O.G.); (V.H.R.N.); (M.O.d.G.); (A.M.N.); (R.S.F.); (A.S.G.)
| | - Maria A. Juliano
- The Sao Paulo School of Medicine, Federal University of São Paulo, Rua Três de Maio, 100, São Paulo 04044-020, SP, Brazil;
| | - Bianca M. Peres
- Department of Microbiology, Institute of Biomedical Sciences, University of Sao Paulo, Av. Prof. Lineu Prestes, 1374, São Paulo 05508-900, SP, Brazil; (B.M.P.); (C.G.B.); (L.H.G.F.-J.)
| | - Cecília G. Barbosa
- Department of Microbiology, Institute of Biomedical Sciences, University of Sao Paulo, Av. Prof. Lineu Prestes, 1374, São Paulo 05508-900, SP, Brazil; (B.M.P.); (C.G.B.); (L.H.G.F.-J.)
| | - Carolina B. Moraes
- Department of Pharmaceutical Sciences, Federal University of São Paulo, Rua São Nicolau, 210, Diadema 09913-030, SP, Brazil;
| | - Lucio H. G. Freitas-Junior
- Department of Microbiology, Institute of Biomedical Sciences, University of Sao Paulo, Av. Prof. Lineu Prestes, 1374, São Paulo 05508-900, SP, Brazil; (B.M.P.); (C.G.B.); (L.H.G.F.-J.)
| | - Eduardo M. Cilli
- Department of Biochemistry and Organic Chemistry, Institute of Chemistry, São Paulo State University (UNESP), Araraquara 14800-060, SP, Brazil; (N.V.B.); (P.R.S.S.); (N.A.S.-F.); (E.M.C.)
| | - Rafael V. C. Guido
- São Carlos Institute of Physics, University of Sao Paulo, Avenida João Dagnone, 1100, São Carlos 13563-120, SP, Brazil; (M.C.L.C.F.); (G.D.N.); (V.O.G.); (V.H.R.N.); (M.O.d.G.); (A.M.N.); (R.S.F.); (A.S.G.)
| | - Glaucius Oliva
- São Carlos Institute of Physics, University of Sao Paulo, Avenida João Dagnone, 1100, São Carlos 13563-120, SP, Brazil; (M.C.L.C.F.); (G.D.N.); (V.O.G.); (V.H.R.N.); (M.O.d.G.); (A.M.N.); (R.S.F.); (A.S.G.)
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