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The genomic sequence of 2019-nCoV indicates that the virus clusters with betacoronaviruses of lineage b.
2019-nCoV S-protein sequence has a specific furin-like cleavage site absent in lineage b CoV including SARS-CoV sequences.
The furin-like cleavage site in the S-protein of 2019-nCoV may have implications for the viral life cycle and pathogenicity.
Campaigns to develop anti-2019-nCoV therapeutics should include the evaluation of furin inhibitors.
Abstract
In 2019, a new coronavirus (2019-nCoV) infecting Humans has emerged in Wuhan, China. Its genome has been sequenced and the genomic information promptly released. Despite a high similarity with the genome sequence of SARS-CoV and SARS-like CoVs, we identified a peculiar furin-like cleavage site in the Spike protein of the 2019-nCoV, lacking in the other SARS-like CoVs. In this article, we discuss the possible functional consequences of this cleavage site in the viral cycle, pathogenicity and its potential implication in the development of antivirals.
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