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Virtual Screening of Naturally Occurring Antiviral Molecules for SARS-CoV-2 Mitigation Using Docking Tool on Multiple Molecular Targets
ChemRxiv Pub Date : 2020-06-02 , DOI: 10.26434/chemrxiv.12403940.v1
Shiwani Rana , Sanjay Sharma , Kalyan Sundar Ghosh 1
Affiliation  

The coronavirus catastrophe (COVID-19) caused by a novel strain of coronavirus (SARS-CoV-2) has turned the world upside down at an unprecedented level and has been declared as a pandemic by World Health Organization (WHO). It has resulted huge number of fatalities and infections due to the severe lower respiratory tract sickness in the infected people. Research across the world is in progress to identify inhibitors against various molecular targets associated with this viral infection. Among these targets, a very important one is a cysteine like protease or 3CL protease (3CLpro) and that is required for the replication of the virus. In the present study, initially we have investigated the potential of twenty naturally occurring antiviral molecules to function as inhibitors against the activity of main viral protease (3CLpro) so as to put a halt on viral replication. The investigation has been carried out through docking of the molecules with 3CLpro. Based on the results, three most potential molecules (bilobetin, ginkgetin and sciadopitysin) have been screened. Further these molecules were subjected for checking their activity on other molecular targets like a papain like protease (PLpro), spike protein S1, RNA dependent RNA polymerase (RdRp), angiotensin converting enzyme 2 (ACE2) receptor. In addition to 3CLpro inhibition, ginkgetin was predicted as an inhibitor of PLpro also. But none of these three compounds was found effective on rest other molecular targets.



中文翻译:

使用对接工具在多个分子靶标上对SARS-CoV-2缓解的天然存在的抗病毒分子进行虚拟筛选

由新型冠状病毒(SARS-CoV-2)引起的冠状病毒灾难(COVID-19)使世界处于空前的颠覆状态,并已被世界卫生组织(WHO)宣布为大流行病。由于感染人群的严重下呼吸道疾病,导致大量的死亡和感染。全世界正在进行研究以鉴定针对与该病毒感染有关的各种分子靶标的抑制剂。在这些目标中,非常重要的一个是半胱氨酸,如蛋白酶或3CL蛋白酶(3CLpro),这是病毒复制所必需的。在目前的研究中,最初,我们研究了二十种天然存在的抗病毒分子作为主要病毒蛋白酶(3CLpro)活性抑制剂的潜力,从而阻止了病毒复制。已经通过将分子与3CLpro对接进行了研究。根据结果​​,筛选了三种最有潜力的分子(胆红素,银杏黄素和sciadopitysin)。此外,对这些分子进行检查以检查它们对其他分子靶标的活性,如木瓜蛋白酶如蛋白酶(PLpro),刺突蛋白S1,RNA依赖性RNA聚合酶(RdRp),血管紧张素转化酶2(ACE2)受体。除3CLpro抑制作用外,银杏黄素还被预测为PLpro的抑制剂。但是,这三种化合物均未发现对其他分子靶标有效。研究是通过将分子与3CLpro对接进行的。根据结果​​,筛选了三种最有潜力的分子(胆红素,银杏黄素和sciadopitysin)。此外,对这些分子进行检查以检查它们对其他分子靶标的活性,例如木瓜蛋白酶如蛋白酶(PLpro),刺突蛋白S1,RNA依赖性RNA聚合酶(RdRp),血管紧张素转换酶2(ACE2)受体。除了抑制3CLpro外,银杏黄素还被认为是PLpro的抑制剂。但是,这三种化合物均未发现对其他分子靶标有效。研究是通过将分子与3CLpro对接进行的。根据结果​​,筛选了三个最有潜力的分子(胆红素,银杏黄素和sciadopitysin)。此外,对这些分子进行检查以检查它们对其他分子靶标的活性,如木瓜蛋白酶如蛋白酶(PLpro),刺突蛋白S1,RNA依赖性RNA聚合酶(RdRp),血管紧张素转化酶2(ACE2)受体。除了抑制3CLpro外,银杏黄素还被认为是PLpro的抑制剂。但是,这三种化合物均未发现对其他分子靶标有效。此外,对这些分子进行检查以检查它们对其他分子靶标的活性,例如木瓜蛋白酶如蛋白酶(PLpro),刺突蛋白S1,RNA依赖性RNA聚合酶(RdRp),血管紧张素转换酶2(ACE2)受体。除3CLpro抑制作用外,银杏黄素还被预测为PLpro的抑制剂。但是,这三种化合物均未发现对其他分子靶标有效。此外,对这些分子进行检查以检查它们对其他分子靶标的活性,如木瓜蛋白酶如蛋白酶(PLpro),刺突蛋白S1,RNA依赖性RNA聚合酶(RdRp),血管紧张素转化酶2(ACE2)受体。除3CLpro抑制作用外,银杏黄素还被预测为PLpro的抑制剂。但是,这三种化合物均未发现对其他分子靶标有效。

更新日期:2020-06-02
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