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Synthesis and Screening of Chemical Agents Targeting Viral Protein Genome-Linked Protein of Telosma Mosaic Virus
Journal of Agricultural and Food Chemistry ( IF 5.7 ) Pub Date : 2023-09-07 , DOI: 10.1021/acs.jafc.3c02823 Guili Zhao 1, 2 , Wenjuan Zhang 1 , Xiaodong Fu 3 , Xin Xie 3 , Song Bai 1, 2, 4 , Xiangyang Li 2
Journal of Agricultural and Food Chemistry ( IF 5.7 ) Pub Date : 2023-09-07 , DOI: 10.1021/acs.jafc.3c02823 Guili Zhao 1, 2 , Wenjuan Zhang 1 , Xiaodong Fu 3 , Xin Xie 3 , Song Bai 1, 2, 4 , Xiangyang Li 2
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The viral protein genome-linked protein (VPg) of telosma mosaic virus (TeMV) plays an important role in viral reproduction. In this study, the expression conditions of TeMV VPg were explored. A series of novel benzenesulfonamide derivatives were synthesized. The binding sites of the target compounds and TeMV VPg were studied by molecular docking, and the interaction was verified by microscale thermophoresis. The study revealed that the optimal expression conditions for TeMV VPg were in Escherichia coli Rosetta with IPTG concentration of 0.8 mM and induction temperature of 25 °C. Compounds A4, A6, A9, A16, and A17 exhibited excellent binding affinity to TeMV VPg, with Kd values of 0.23, 0.034, 0.19, 0.086, and 0.22 μM, respectively. LYS 121 is the key amino acid site. Compounds A9 inhibited the expression of TeMV VPg in Nicotiana benthamiana. The results suggested that TeMV VPg is a potential antiviral target to screen anti-TeMV compounds.
中文翻译：
夜来香花叶病毒病毒蛋白基因组相关蛋白化学制剂的合成与筛选
端粒花叶病毒（TeMV）的病毒蛋白基因组连锁蛋白（VPg）在病毒繁殖中发挥重要作用。本研究探讨了 TeMV VPg 的表达条件。合成了一系列新型苯磺酰胺衍生物。通过分子对接研究了目标化合物与TeMV VPg的结合位点，并通过微尺度热泳验证了相互作用。研究表明，TeMV VPg 的最佳表达条件是在大肠杆菌 Rosetta中，IPTG 浓度为 0.8 mM，诱导温度为 25 °C。化合物A4、A6、A9、A16和A17对TeMV VPg表现出优异的结合亲和力，K d值分别为0.23、0.034、0.19、0.086和0.22 μM。LYS 121 是关键氨基酸位点。化合物A9抑制本塞姆氏烟草中TeMV VPg的表达。结果表明，TeMV VPg 是筛选抗 TeMV 化合物的潜在抗病毒靶点。
更新日期：2023-09-07
中文翻译：
夜来香花叶病毒病毒蛋白基因组相关蛋白化学制剂的合成与筛选
端粒花叶病毒（TeMV）的病毒蛋白基因组连锁蛋白（VPg）在病毒繁殖中发挥重要作用。本研究探讨了 TeMV VPg 的表达条件。合成了一系列新型苯磺酰胺衍生物。通过分子对接研究了目标化合物与TeMV VPg的结合位点，并通过微尺度热泳验证了相互作用。研究表明，TeMV VPg 的最佳表达条件是在大肠杆菌 Rosetta中，IPTG 浓度为 0.8 mM，诱导温度为 25 °C。化合物A4、A6、A9、A16和A17对TeMV VPg表现出优异的结合亲和力，K d值分别为0.23、0.034、0.19、0.086和0.22 μM。LYS 121 是关键氨基酸位点。化合物A9抑制本塞姆氏烟草中TeMV VPg的表达。结果表明，TeMV VPg 是筛选抗 TeMV 化合物的潜在抗病毒靶点。
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