Immunogen sequence: AQALASPESL ELASVASSET SSLSLVPPKD LLPVAVEILP VSEKNLSLTP SAPSLTLEAG SIPNGQEQEA PDSAEGTTLT VLPEGEELPL CVSESNGLEL PPSAASDEPL QEPLEADRTS EELTEAKTPT SS Highest antigen sequence identity to the following orthologs: Mouse - 62%, Rat - 64%.