Immunogen sequence: LNGKEISAQI RARLKNQVTQ LKEQVPGFTP RLAILQVGNR DDSNLYINVK LKAAEEIGIK ATHIKLPRTT TESEVMKYIT SLNEDSTVHG FLVQLPLDSE NSINTEEVIN AIAPEKDVDG LTSINAGRLA RGDLNDCFIP CT. This gene encodes a protein that possesses three distinct enzymatic activiti