FIG. 1. Sialic acid and inhibitors. Schematic structure of
a sialylgalactose (a), NANA (b), and DANA (c). In the case of
the sialylgalactose, the dotted line indicates the bond
hydrolyzed by the sialidase.
The above figure is reprinted
by permission from the ASBMB:
J Biol Chem