Immunogen sequence: LGDSGLADKG TQLPITTPGL HQPSGEPEDQ LPTEPPSGPS GLPLLPVLFA LGGLLLLSNA SCVGGVLWQR RLRRLAEGIS EKTEAGSEED RVRNEYEESQ WTGERDTQSS TVSTTEAEPY YRSLRDFSPQ LPPTQEEVSY SRGFTGEDED MAFPGHLYDE VERTYPPSGA WGPLYDEVQM GPWDLHWPED TYQDPRGIYD QVAGDLDTLE PDS