Predicted to enable GDP binding activity; GTP binding activity; and GTPase activity. Predicted to be involved in TOR signaling; positive regulation of NF-kappaB transcription factor activity; and small GTPase mediated signal transduction. Predicted to be located in cytoplasm. Predicted to be active in plasma membrane. Is expressed in several structures, including eye; heart; and nervous system. Orthologous to human RHEBL1 (RHEB like 1). [provided by Alliance of Genome Resources, Apr 2022]