Hemagglutinin Protein (HA1 Subunit) (His Tag), Purity: >95% as by SDS-PAGE, Expressed Host: HEK293 Cells, Species: Influenza A H6N1 (A/quail/Hong Kong/1721-30/99), Molecular mass: consists of 340aa, MW: 38.6kda, Protein construction: expressed with a poly