Immunogen sequence: VLEGPSSRAD PVRIRLLSHL NSYAAEMEPS PTPTGPLAFP AWPWSFFHSC PGLPALSNQL AILGRVPSPV LPGVSSPAYP IPALRTAPLR RATGIILPAR RNVLPSRGAS STRRARPLER PATPVPVAPS SRAARSSHIA PLLQSSSPT. This gene encodes a member of the hairy and enhancer of split-related