Structure-Activity Studies Reveal Scope for Optimisation of Ebselen-Type Inhibition of SARS-CoV-2 Main Protease.
Structure-Activity Studies Reveal Scope for Optimisation of Ebselen-Type Inhibition of SARS-CoV-2 Main Protease.
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DOI:
10.1002/cmdc.202100582
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发表时间:
2022-02-16
期刊:
影响因子:
3.4
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中科院分区:
文献类型:
--
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The reactive organoselenium compound ebselen is being investigated for treatment of coronavirus disease 2019 (COVID‐19) and other diseases. We report structure‐activity studies on sulfur analogues of ebselen with the Severe Acute Respiratory Syndrome coronavirus 2 (SARS‐CoV‐2) main protease (Mpro), employing turnover and protein‐observed mass spectrometry‐based assays. The results reveal scope for optimisation of ebselen/ebselen derivative‐ mediated inhibition of Mpro, particularly with respect to improved selectivity. Ebselen reacts covalently with Mpro multiple times, raising questions about selectivity. “Ebsulfur” compounds, in which the selenium of ebselen is replaced with sulfur, have comparable potency to ebselen but covalently react with Mpro fewer times, revealing potential for optimisation of the selectivity of ebselen
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