Immunogen sequence: PATNYSLRVR CANALGPSPY ADWVPFQTKG LAPASAPQNL HAIRTDSGLI LEWEEVIPEA PLEGPLGPYK LSWVQDNGTQ DELTVEGTRA NLTGWDPQKD LIVRVCVSNA VGCGPWSQPL VVSSHDRAGQ QGPPHSRTSW V. TYRO3 (tyrosine-protein kinase receptor TYRO3) is a receptor tyrosine kinase