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26 Lancet scientists who trashed theory have links to Wuhan.

9 Name: Anonymous 2021-09-11 17:28

A distinguishing feature of SARS‑CoV‑2 is its incorporation of a polybasic site cleaved by furin,[59] which appears to be an important element enhancing its virulence.[87] In SARS-CoV-2 the recognition site is formed by the incorporated 12 codon nucleotide sequence CCT CGG CGG GCA which corresponds to the amino acid sequence PRRA.[88] This sequence is upstream of an arginine and serine which forms the S1/S2 cleavage site (PRRARS) of the spike protein.[89] Although such sites are a common naturally-occurring feature of other viruses within the Subfamily Orthocoronavirinae,[88] it appears in few other viruses from the Beta-CoV genus,[90] and it is unique among members of its subgenus for such a site.[59] SARS-CoV-1 is an example of a well known relative of SARS-CoV-2 that lacks a FCS.

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