Figure 6From: Analysis of hemagglutinin-mediated entry tropism of H5N1 avian influenzaEffect of HA substitutions Y105F, E190D and L194A on cell binding. (A) Coomassie staining of the wt and mutant HA89–340 proteins resolved by SDS-PAGE. (B) Binding of wt or mutant HA proteins to 293T or A549 cells.Back to article page