Immunogen sequence: FLEPHCSITT ETFYPTLWCF EGRLQSIFQV LLQSQPLVLY QSDILQTPDG GQLLLDWAKQ PDSSQDPDPT TQPIVLLLPG ITGSSQETYV LHLVNQALRD GYQAVVFNNR GCRGEELRTH R Highest antigen sequence identity to the following orthologs: Mouse - 47%, Rat - 80%. This gene is a