Immunogen sequence: PKSMISLAGG LPNPNMFPFK TAVITVENGK TIQFGEEMMK RALQYSPSAG IPELLSWLKQ LQIKLHNPPT IHYPPSQGQM DLCVTSGSQQ GLCKVFEMII NPGDNVLLDE PAYSGTLQSL HPLGCNIINV ASDESGIVPD SLRDILSRWK PEDAKNPQKN TPKFLYTVPN GNNPTGNSLT SERKKEIYEL ARKYDFLIIE DDPYYFLQFN KFR