Immunogen sequence: MLEEDMEVAI KMVVVGNGAV GKSSMIQRYC KGIFTKDYKK TIGVDFLERQ IQVNDEDVRL MLWDTAGQEE FDAITKAYYR GAQACVLVFS TTDRESFEAV SSWREKVVAE VGDIPTVLVQ NKIDLLDDSC IKNEEAEALA KRLKLRFYRT SVKEDLNVNE VFKYLAEKYL QKLKQQIAED PELTHSSSNK IGVFNTSGGS HSGQNSGTLN GGD