The structure of a complex of influenza hemagglutinin (HA) with a neutralizing antibody shows that the antibody binds to HA at a distance from the virus receptor binding site. Comparison of the ...

Paramyxoviruses have two surface glycoproteins, a hemagglutinin-neuraminidase (HN) protein and a fusion (F) protein. HN has three functions: it recognizes sialic acid-containing receptors on cell ...