Immunoblot profiles of (A) HA-MYnative, (B) HA-MY and (C) HA1-MY in extracts of infiltrated N. benthamiana leaves at 8 dpi, using an anti-4xHis antibody. M: Molecular weight marker, Lane 1: HA Indonesia 15 ng, Lane 2: HA Indonesia 60 ng, Lane 3: PTP, Lane 4: TSP, Lane 5: TST.