Immunogen sequence: GAGWRLSPEE PGWNGLAHRR AALLHYENLP PLPPVWESQA QQLGGEAGDD GDSRDGLTPS SNGFPDGEED ETPLQKPTST RAAIRSHGSF PVPLT Highest antigen sequence identity to the following orthologs: Mouse - 92%, Rat - 93%. FRS3 (fibroblast growth factor receptor sub