Immunogen sequence: NKKSSQNLRR WSLEALNRDL VPTGVLVTNG DYDQEQFADN QIPLLVIGTK LDQIHETKRH EVLTRTAF Antigen sequence identity: Mouse 93%; Rat 93%. Predicted to enable GTP binding activity; GTPase activity; and protein homodimerization activity. Involved in re