https://www.hiv-integrase.com/2026/04/29/sars-cov-2-spike-s1s2-hv69-70y145deletion-n501y-a570d-d614g-p681h-t716i-s982a-d1118h-protein-ecd-his-avi-tag-biotinylated/
SARS-CoV-2 Spike S1+S2 ((HV69-70,Y145)deletion, N501Y, A570D, D614G, P681H, T716I, S982A, D1118H)...