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. 2020 Apr;26(4):450-452.
doi: 10.1038/s41591-020-0820-9.

The proximal origin of SARS-CoV-2

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The proximal origin of SARS-CoV-2

Kristian G Andersen et al. Nat Med. 2020 Apr.
No abstract available

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Conflict of interest statement

R.F.G. is co-founder of Zalgen Labs, a biotechnology company that develops countermeasures to emerging viruses.

Figures

Fig. 1
Fig. 1. Features of the spike protein in human SARS-CoV-2 and related coronaviruses.
a, Mutations in contact residues of the SARS-CoV-2 spike protein. The spike protein of SARS-CoV-2 (red bar at top) was aligned against the most closely related SARS-CoV-like coronaviruses and SARS-CoV itself. Key residues in the spike protein that make contact to the ACE2 receptor are marked with blue boxes in both SARS-CoV-2 and related viruses, including SARS-CoV (Urbani strain). b, Acquisition of polybasic cleavage site and O-linked glycans. Both the polybasic cleavage site and the three adjacent predicted O-linked glycans are unique to SARS-CoV-2 and were not previously seen in lineage B betacoronaviruses. Sequences shown are from NCBI GenBank, accession codes MN908947, MN996532, AY278741, KY417146 and MK211376. The pangolin coronavirus sequences are a consensus generated from SRR10168377 and SRR10168378 (NCBI BioProject PRJNA573298),.

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