HBV Structure Antigens Dane particle Hepatitis B surface antigen M DNA polymerase DNA (mostly double stranded), 3200 bp A Core antigen Protein kinase 42 nm ZAll/I/MMW HBsAg= surface(coat protein(4 phenotypes: adw, adr, ayw and ayr) HBCAg inner core protein(a single serotype HBeAg=secreted protein; function unknownHBV Structure & Antigens Dane particle HBsAg = surface (coat) protein ( 4 phenotypes : adw, adr, ayw and ayr) HBcAg = inner core protein (a single serotype) HBeAg = secreted protein; function unknown