Immunogen sequence: HEAEDLKMLI RHMEHWAHRL FPKLQFEDFI DRVEYLGSKK EVQTCLKRIR LDLPILHEDF VSNNDEVAEN NEHDVTSTEL DPFLTNLSES EMFASELS Highest antigen sequence identity to the following orthologs: Mouse - 80%, Rat - 78%. Required for normal progression of S-pha