Immunogen sequence: FDDPDNIPPY GDDMTVRKQP EGNPKPDIIE RENPYLIYDE TDIPHNSETI PSAPLASPEQ EIEHYDIDNA SSIAPSDADI IQHYKQFRSH T Highest antigen sequence identity to the following orthologs: Mouse - 97%, Rat - 97%. FAT1, FAT2, FAT3 and FAT4 are human homologs of