Immunogen sequence: LEDFDVEEED EEALIEQRRI QRQAIVQKYK YLAEDSNMSV PSEPSSPQSS TRTRSPSPDD ILERVAADVK EYERENVDTF EASVKAKHNL MTVEQNNGSS QKKLLAPDMF Highest antigen sequence identity to the following orthologs: Mouse - 97%, Rat - 97%. Pre-mRNA splicing occurs in