Immunogen sequence: FCLAGYTTES GRQEEQTTCT TEGWSPEPRC FKKCTKPDLS NGYISDVKLL YKIQENMHYG CASGYKTTGG KDEEVVQCLS DGWSSQPTCR KEHETCLAPE LYNGNYSTTQ KTFKVKDKVQ YECATGYYTA GGKKTEEV Highest antigen sequence identity to the following orthologs: Mouse - 75%, Rat - 7