Immunogen sequence: AKTLVQRLLN SGGAMEFTIC KSDIVTRDEF LRRQKTETII YSREKNPNAF ECIAPANIEA VAAKNKHCLL EAGIGCTRDL IKSNIYPIVL FIRVCEKNIK RFRKLLPRPE TEEEFLRVCR LKEKELEALP CLYATVEPDM WGSVEELLRV VKDKIGEEQR KTIWVDEDQL. The protein encoded by this gene belongs to th