Extended Data Fig. 3: B.1.617.2 spike confers increased cell entry.
From: SARS-CoV-2 B.1.617.2 Delta variant replication and immune evasion

a. diagram showing mutations present in spike plasmids used for cell entry PV experiments b. Single round infectivity on different cell targets by spike B.1.617.1 and B.1.617.1 versus WT (Wuhan-1 D614G) PV produced in 293T cells. Data are representative of three independent experiments. Statistics were performed using unpaired Student t test. c. Western blotting of supernatants from transfected 293T probing for S2 and p24 in PV and showing no spike control.