Predicted to enable small GTPase binding activity. Predicted to be involved in Golgi to plasma membrane protein transport and positive regulation of axon extension. Predicted to be located in cytoplasm and nucleoplasm. Predicted to be active in Golgi apparatus. Orthologous to human GOLGA4 (golgin A4); INTERACTS WITH 17alpha-ethynylestradiol; 2,3,7,8-tetrachlorodibenzodioxine; 3-chloropropane-1,2-diol.