Immunogen sequence: MGEDSPVAMF SWYLDNTPTE QAEPLLDACR LRGFWPRSLT LLQSNTSTLL LNSSFLQSRG EVIRIRATAL TRHAYGEDTY VISTVPPREV PACTIAPEEG TVLTSFAIFC NASTALGPLE FCFCLESGSC LHCGPEPALP SVYLPLGEEN NDFVLTVVIS ATNRAGDTQQ TQAMAKVALG DTCVEDVAFQ AAVSEKIPTA LQGEGGPEQL LQL