function:Not known; binds GTP and exhibits intrinsic GTPase activity.,similarity:Belongs to the small GTPase superfamily. Rheb family.,tissue specificity:Ubiquitous. Highest levels observed in skeletal and cardiac muscle.,
Endomembrane system ; Lipid-anchor ; Cytoplasmic side . Golgi apparatus membrane ; Lipid-anchor ; Cytoplasmic side . Cytoplasm, cytosol . Endoplasmic reticulum membrane ; Lipid-anchor ; Cytoplasmic side .
Ubiquitous. Highest levels observed in skeletal and cardiac muscle.
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