Immunogen sequence: PEYEGIWADL QELWFLGMQA FTGCVPLLPW LAPAALRSRW PQELLQLLGS VSPNSVKPEM VAAYQGVLVE LARANRLCRE AMRLQAGEET ASHYRMAA Highest antigen sequence identity to the following orthologs: Mouse - 99%, Rat - 99%. Probably involved in signal transduction