Predicted to be involved in endoplasmic reticulum to Golgi vesicle-mediated transport and retrograde vesicle-mediated transport, Golgi to endoplasmic reticulum. Predicted to act upstream of or within intracellular transport and vesicle-mediated transport. Predicted to be located in Golgi apparatus and endoplasmic reticulum-Golgi intermediate compartment membrane. Predicted to be active in COPII-coated ER to Golgi transport vesicle; Golgi membrane; and endoplasmic reticulum membrane. Orthologous to human ERGIC3 (ERGIC and golgi 3).