Immunogen sequence: GPVGPKLHEL LDDNVFVPPE SLQEVDEFHL ILEYQAGEEW GQLKAPHANR FIFSHDLSNG AMNMLEVFVS SLEEFQPDLV VLSGLHMMEG QSKELQRKRL LEVVTSISDI PTGIPVHLEL ASMTNRELMS SIVH Highest antigen sequence identity to the following orthologs: Mouse - 96%, Rat - 96%.