The Murine Coronavirus Hemagglutinin-esterase Receptor-binding Site: A Major Shift in Ligand Specificity through Modest Changes in Architecture
Figure 1
Stereochemical differences between 9-O- and 4-O-acetylated sialic acid.
Stick representation of (left) αNeu5,9Ac22Me and (right) αNeu4,5Ac22Me. Backbone αNeu5Ac2Me is colored in gray (carbon), red (oxygen) and blue (nitrogen). The 9-O-Ac group of αNeu5,9Ac22Me and 4-O-Ac group of αNeu4,5Ac22Me are highlighted in cyan (carbon).