Immunogen sequence: SPIMNLEQSP LEEDMSLFGD VFSEQDGVDF NTLLQSMKDE FLKTLNLSDI PTQDSAKVDP PEYMLELYNK FATDRTSMPS ANIIRSFKNE DLFSQPVSFN GLRKYPLLFN VSIPHHEEVI MAELRLYTLV QRDRMIYDGV DRKITIFEVL ESKGDNEGER NMLVLVSGEI YGTNSEWETF DVTDAIRRWQ KSGSSTHQLE VHIESKHDEA EDA