Predicted to be involved in Golgi to endosome transport; Golgi to plasma membrane protein transport; and protein localization to Golgi apparatus. Predicted to act upstream of or within protein transport. Predicted to be located in Golgi membrane. Predicted to be integral component of membrane. Predicted to be active in trans-Golgi network. Predicted to be integral component of Golgi membrane. Orthologous to human SYS1 (SYS1 golgi trafficking protein). [provided by Alliance of Genome Resources, Apr 2022]