Influenza A H1N1 (A/California/4/2009) Hemagglutinin / HA-specific B cell probe (His Tag)

A DNA sequence encoding the Influenza A virus (A/California/04/2009 (H1N1)) hemagglutinin (ACP41105.1) (Met1-Gly519, with a mutation Tyr 108 Phe), termed as HA, was expressed with a polyhistidine tag at the C-terminus.