Immunogen sequence: MQSPAVLVTS RRLQNAHTGL DLTVPQHQEV RGKMMSGHVE YQILVVTRLA AFKSAKHRPE DVVQFLVSKK YSEIEEFYQK LSSRYAAASL PPLPRKVLFV GESDIRERRA VFNEILRCVS KDAELAGSPE LLEFLGTRSP GAAGLTSRDS SVLDGTDSQT GNDEEAFDFF EEQDQVAEEG PPVQSLKGED AEESLEEEEA; Positive Samp