Immunogen sequence: PHPAHPMLHE PFLFGPASRC HQERPYFQSW LLSPADAAPD FPAGGPPPAA AAAATAYGPD ARPGQSPGRL EALGGRLGRR KGSGPKKERR RTESINSAFA ELRECIPNVP ADTKLSKIKT LRLATSYIAY LMDVLAKDAQ SGDPEAFKAE LKKADGGRES KRKRELQQHE GFPPALGPVE KRIKGRTGWP QQVWALELNQ; Positive Samp