Involved in several processes, including positive regulation of axon extension; positive regulation of intracellular protein transport; and regulation of establishment of cell polarity. Acts upstream of or within positive regulation of axonogenesis. Located in dendrite; growth cone; and perikaryon. Is expressed in several structures, including alimentary system; eye; genitourinary system; nervous system; and skin. Orthologous to human RUFY3 (RUN and FYVE domain containing 3). [provided by Alliance of Genome Resources, Apr 2022]