Figure 3.
(A) The structure of influenza A HA protein with the neutralizing antibody F10 (PDB ID: 3FKU) and its conformational epitope shown in pink, corresponding to residues 12, 32, 34, 36, 292, 293, 294 and 319 in chain A, and 18, 19, 20, 21, 38, 41, 42, 45, 49, 52, 53 and 56 in chain B. (B) The discontinuous epitope on HA protein recognized by F10.