Hydrolyzes ATP, and can also hydrolyze GTP with lower efficiency. Has lower affinity for GTP.
Cytoplasm . Nucleus . Nucleus, nucleolus . Predominantly cytoplasmic, shuttles between the nucleus and the cytoplasm. .
Expressed in all tissues tested but its expression is more abundant in testis, liver, lung, and brain. Overexpressed in several malignancies, including cancers of the colon, rectum, ovary, lung, stomach, and uterus.
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