Immunogen sequence: RVAAAARGPL DAATARSVAL TISAYQEDPA YLRQCLASAR ALLYPRARLR VLMVVDGNRA EDLYMVDMFR EVFADEDPAT YVWDGNYHQP WEPAAAGAVG AGAYREVEAE DPGRLAVEAL VRTRRCVCVA QRWGGKREVM YTAFKALGDS VDYVQVCDSD TRLDPMALLE LVRVLDEDPR VGAVGGDVRI LNPLDSWVSF LSSLRYWVAF NVE