Immunogen sequence: GKDTYDSTSK QRTPSYTDRV LYRSRHKGDI CPVSYSSCPG IKTSDHRPVY GLFRVKVRPG RDNIPLAAGK FDRELYLLGI KRRISKEIQR QQALQSQNSS TICSVS Highest antigen sequence identity to the following orthologs: Mouse - 90%, Rat - 91%. INPP5E (inositol polyphosphate