Discovery of potential small molecular SARS-CoV-2 entry blockers targeting the spike protein

被引:48
|
作者
Wang, Lin [1 ,2 ]
Wu, Yan [3 ]
Yao, Sheng [4 ,5 ]
Ge, Huan [6 ]
Zhu, Ya [7 ]
Chen, Kun [7 ]
Chen, Wen-zhang [1 ]
Zhang, Yi [1 ]
Zhu, Wei [1 ]
Wang, Hong-yang [2 ]
Guo, Yu [8 ,9 ]
Ma, Pei-xiang [1 ]
Ren, Peng-xuan [1 ,2 ]
Zhang, Xiang-lei [1 ,2 ]
Li, Hui-qiong [1 ,2 ]
Ali, Mohammad A. [10 ]
Xu, Wen-qing [2 ]
Jiang, Hua-liang [1 ,7 ]
Zhang, Lei-ke [3 ]
Zhu, Li-li [2 ,6 ]
Ye, Yang [4 ,5 ]
Shang, Wei-juan [3 ]
Bai, Fang [1 ,2 ]
机构
[1] ShanghaiTech Univ, Shanghai Inst Adv Immunochem Studies, Shanghai 201210, Peoples R China
[2] ShanghaiTech Univ, Sch Life Sci & Technol, Shanghai 201210, Peoples R China
[3] Chinese Acad Sci, Wuhan Inst Virol, Ctr Biosafety Mega Sci, State Key Lab Virol, Wuhan 430064, Peoples R China
[4] Chinese Acad Sci, Shanghai Inst Mat Med, Dept Nat Prod Chem, Shanghai 201203, Peoples R China
[5] Chinese Acad Sci, Shanghai Inst Mat Med, State Key Lab Drug Res, Shanghai 201203, Peoples R China
[6] East China Univ Sci & Technol, Shanghai Key Lab New Drug Design, Sch Pharm, State Key Lab Bioreactor Engn, Shanghai 200237, Peoples R China
[7] Chinese Acad Sci, Shanghai Inst Mat Med, CAS Key Lab Receptor Res, Shanghai 201203, Peoples R China
[8] Nankai Univ, Coll Pharm, Tianjin 300071, Peoples R China
[9] Nankai Univ, State Key Lab Med Chem Biol, Tianjin 300071, Peoples R China
[10] King Saud Univ, Dept Bot & Microbiol, Coll Sci, Riyadh, Saudi Arabia
基金
中国国家自然科学基金; 上海市科技启明星计划;
关键词
SARS-CoV-2; natural products; virtual screening; spike protein; protein-protein interaction modulators; INHIBITORS; BINDING; DOCKING; ACE2;
D O I
10.1038/s41401-021-00735-z
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
An epidemic of pneumonia caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is spreading worldwide. SARS-CoV-2 relies on its spike protein to invade host cells by interacting with the human receptor protein Angiotensin-Converting Enzymes 2 (ACE2). Therefore, designing an antibody or small-molecular entry blockers is of great significance for virus prevention and treatment. This study identified five potential small molecular anti-virus blockers via targeting SARS-CoV-2 spike protein by combining in silico technologies with in vitro experimental methods. The five molecules were natural products that binding to the RBD domain of SARS-CoV-2 was qualitatively and quantitively validated by both native Mass Spectrometry (MS) and Surface Plasmon Resonance (SPR). Anti-viral activity assays showed that the optimal molecule, H69C2, had a strong binding affinity (dissociation constant K-D) of 0.0947 mu M and anti-virus IC50 of 85.75 mu M.
引用
收藏
页码:788 / 796
页数:9
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