Predicted to enable transmembrane transporter binding activity. Acts upstream of or within protein localization to Golgi apparatus. Located in COPI-coated vesicle. Is expressed in nervous system. Human ortholog(s) of this gene implicated in Schuurs-Hoeijmakers Syndrome. Orthologous to human PACS1 (phosphofurin acidic cluster sorting protein 1). [provided by Alliance of Genome Resources, Apr 2022]