Immunogen sequence: ISIQVLGQDI LSEKMESPSC QVGEVEPHLE VVPQELGLEN SSSGPGELLS HIVKEESDTE AELALAASQP ARLEERLIRD QDLGASLLPA APQEQWRQLD STQKEQYWDL MLETYGKMVS GAGISHPKSD LTNS Highest antigen sequence identity to the following orthologs: Mouse - 68%, Rat - 69%.