Immunogen sequence: VQTFKGLKLR FEQQRERQDN PKLDSMRSIL RNHRYRRDAR TLEDEEEMWF NTDEDDMEDG EAVVSPSDKT KNDDDIMDPI SKFMERKKLK ESEEKEVLLK TNLSGRQSPS FKLSLSSGTK TNLTSQSSTT NLPGSPGSPG SPGSPGSPGS VPKNTSQTAA ITTKGGLVGL VDYPDDDEDD DEDEDKEDTL PLSKKAKFDS; Positive Samp