Immunogen sequence: PCRYCEKVFP LAEYRTKHEI HHTGERRYQC LACGKSFINY QFMSSHIKSV HSQDPSGDSK LYRLHPCRSL QIRQYAYLSD RSSTIPAMKD DGIGYKVDTG KEPPVGTTTS TQNKPMTWED IFIQQENDSI FKQNVTDGST EFEFIIPESY. This gene encodes a transcriptional regulator with bimodal DNA-bindi