Immunogen sequence: LRLVYKYNRL DIIETNVKPS ILEAQKNYMA FLDSQTATFS RHKKRLLVVR ELKEQAQQAG LDDEVPHGQE SDLFSETSSV VSGSEMSGKY SHSNSRISAR SSKNRRKAER KKHSLKEGSP LEDLALLEAL SEVVQNTENL KDEVYHILKV LFLFEFDEQG RELQKAFEDT LQLMERSLPE IWTLTYQQNS ATPVLGPNST ANSIMASYQQ QKT