Immunogen sequence: HLLLRIQELE MQARAHGLSL IPSTGLCSPD LVNRIIKQEP VLENCSQDLL QHHADLTCTT TLDLTDGTIT FNNNLGTGTE ANQAYSVPTK MGSKLEDILM DDTLSPVGVT DPLLSSVSPG ASKTSSRRSS MSMEETEHT. Mi is a basic helix-loop-helix-leucine zipper (b-HLH-ZIP) transcription factor i