Immunogen sequence: ENLLNQAREL QAKAESSSDE AVADTSRRVG GALARKSALK TRLSDAVKQL QAAERGDAQQ RLGQSRLITE EANRTTMEVQ QATAPMANNL TNWSQNLQHF DSSAYNTAVN SARDAVRNLT EVVPQLLDQL RTVEQKRPAS Highest antigen sequence identity to the following orthologs: Mouse - 86%, Rat -