Immunogen sequence: YLHRFGAKCI AVGESDGSIW NPDGIDPKEL EDFKLQHGSI LGFPKAKPYE GSILEVDCDI LIPAATEKQL TKSNAPRVKA KIIAEGANGP TTPEADKIFL ERNILVIPDL YLNAGGVTVS YFEWLKNLNH VSYGRLTFKY ERDSNYHLLL SVQESLERKF GKHGGTIPIV PTAEFQDSIS GASEKDIVHS ALAYTMERSA RQIMHTAMKY NLG