Predicted to enable GTP binding activity. Predicted to be involved in intracellular protein transport and retrograde vesicle-mediated transport, Golgi to endoplasmic reticulum. Predicted to act upstream of or within protein transport. Located in Golgi apparatus. Is expressed in several structures, including alimentary system; genitourinary system; nervous system; respiratory system; and sensory organ. Orthologous to human ARF3 (ADP ribosylation factor 3). [provided by Alliance of Genome Resources, Apr 2022]