Immunogen sequence: TEVAIESTPM ILESSIMSSH VMKGINLSSG DQNLAPEIGM QEIALHSGEE PHAEEHLKGD FYESEHGINI DLNINNHLIA KEMEHNTVCA AGTSPVGEIG EEKILPTSET KQRTVLDTYP GVSEADAGET LSSTGP Highest antigen sequence identity to the following orthologs: Mouse - 59%, Rat - 60%