Immunogen sequence: LINSQPKSRK TSTLQTVRIE RSPLLDQVQT FLPQMARANE KLRKEMAAAP PGRFNIENID GPHSKVIQMD VALFEMNQSD SKEVD Highest antigen sequence identity to the following orthologs: Mouse - 76%, Rat - 79%. The function of C12orf45 has not been characterized.