Involved in embryonic brain development; neuron projection development; and vesicle-mediated transport. Acts upstream of or within positive regulation of interleukin-6 production; regulation of inflammatory response; and regulation of tumor necrosis factor production. Part of WASH complex. Human ortholog(s) of this gene implicated in pontocerebellar hypoplasia. Orthologous to human TBC1D23 (TBC1 domain family member 23). [provided by Alliance of Genome Resources, Apr 2022]