Tag: P681R
Preprint: B.1.617 coronavirus variants show enhanced spike cleavage by furin
“The spike (S) glycoprotein of the SARS-CoV-2 virus that emerged in 2019 contained a suboptimal furin cleavage site at the S1/S2 junction with the sequence 681 PRRAR/S 686. … ...More...
A SARS-CoV-2 coronavirus lineage A variant (A.23.1) with altered spike has emerged and is dominating the current Uganda epidemic
February 2021: We report here newly emerging A sub-lineages, A.23 and A.23.1, encoding replacements in the spike protein, nsp6, ORF8 and ORF9, with A.23.1 the major virus lineage now observed in Kampala.… ...More...