Immunogen sequence: SCDDCGRSFR LERFLRAHQR QHTGERPFTC AECGKNFGKK THLVAHSRVH SGERPFACEE CGRRFSQGSH LAAHRRDHAP DRPFVCPDCG KAFRHKPYLA AHRRIHTGEK PYVCPDCGKA FSQKSNLVSH RRIHTGERPY ACPDCDRSFS QKSNLITHRK SHIRDGAFCC AICGQTFDDE ERLLAHQKKH DV. Replication initiator