Immunogen sequence: NTYYRVVLIG EQGVGKSTLA NIFAGVHDSM DSDCEVLGED TYERTLMVDG ESATIILLDM WENKGENEWL HDHCMQVGDA YLIVYSITD Highest antigen sequence identity to the following orthologs: Mouse - 99%, Rat - 56%. GEM belongs to the RAD/GEM family of GTP-binding p