Immunogen sequence: MRLFVSDGVP GCLPVLAAAG RARGRAEVLI STVGPEDCVV PFLTRPKVPV LQLDSGNYLF STSAICRYFF LLSGWEQDDL TNQWLEWEAT ELQPALSAAL YYLVVQGKKG EDVLGSVRRA LTHIDHSLSR QNCPFLAGET ESLADIVLWG ALYPLLQDPA YLPEELSALH SWFQTLSTQE PCQRAAETVL KQQGVLALRP YLQKQPQPSP AEG