Immunogen sequence: LSAVLQQCLL ADVSGIDWMV RHGRSLALSV AVNVAPGRLC AGRYSSDVQE MILSSATADR IPIAVSGVRG MGFLMRHHIE TGGGQLPAKL SSLFVKCLQN PSSDIRLVAE KMIWWANKDP LPPLDPQAIK PILKALLDNT KDKNTVVRAY SDQAIVNLLK MRQGEEVFQS LSKILDVASL EVLNEVNRRS LKKLASQADS TEQVDDTILT; Po