Predicted to enable small GTPase binding activity. Acts upstream of or within several processes, including glucose homeostasis; sensory perception of smell; and spermatogenesis. Is active in neuronal dense core vesicle. Is expressed in central nervous system; ganglia; and olfactory epithelium. Human ortholog(s) of this gene implicated in autosomal dominant nonsyndromic deafness 71 and developmental and epileptic encephalopathy 81. Orthologous to human DMXL2 (Dmx like 2). [provided by Alliance of Genome Resources, Apr 2022]