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. 2010 Oct 18;107(44):18979–18984. doi: 10.1073/pnas.1013387107

Fig. 5.

Fig. 5.

LAH-KLH antiserum reacts with both group 1 and group 2 hemagglutinin proteins, whereas HA2 antiserum reacts only with group 2 hemagglutinin proteins. (A–C) Activity of antisera against group 2 hemagglutinin proteins. HA2 and LAH-KLH serum pools demonstrate comparable binding activity against the A/Hong Kong/68 H3 hemagglutinin but have different binding activities against other group 2 hemagglutinins. (D–H) Activity of antisera against group 1 hemagglutinin proteins. The LAH-KLH serum pool reacts with all group 1 hemagglutinin proteins tested, but the HA2 antiserum does not. Positive control serum used in this figure and Table 1 was from mice infected with either the group 2 H3 subtype X31 virus or the group 1 H1 subtype PR8 virus.