Predicted to enable small GTPase binding activity. Predicted to be involved in vacuolar acidification. Predicted to act upstream of or within several processes, including glucose homeostasis; sensory perception of smell; and spermatogenesis. Is active in synaptic vesicle. 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]