Immunogen sequence: SSPPQMHSSAI PLDFDVSSPL TYGTPSSRVE GTPRSGVRGT PVRQRPDLGS AQKGLQVDLQ SDGAAAEDIV ASEQSLGQKL VIWGTDVNVA ACKENFQRFL QRFIDPLAKE EENVG Highest antigen sequence identity to the following orthologs - mouse 95%, rat 93%. The protein encoded by