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. 2014 Dec 24;89(5):2801–2812. doi: 10.1128/JVI.02723-14

FIG 2.

FIG 2

Sequence alignment of the amino acid sequence of seal11 HA with those of the avian A(H3N8) virus A/Duck/Ukraine/1/1963 (dkUkr63; PDB ID 1MQL) and two human HA sequences from A/Aichi/2/1968 (Aichi68; PDB ID 3HMG) and the seasonal H3 vaccine strain from A/Hong Kong/4443/2005 (HK05; PDB ID 2YP7; Gisaid no. EPI397688) (68–71). The sequence alignment is also annotated with additional lines to indicate residues comprising the receptor binding site (Receptor) (labeled r), the solvent-accessible surface residues (Srf res) (labeled s; determined by Areaimol, part of the CCP4 program suite [84, 85]), and the antigenic sites (labeled a, b, c, d, and e) (68–71).