Belongs to the ERGIC family. The ERGIC lies between the rough endoplasmic reticulum and Golgi on the secretory pathway. The vesicular-tubular cluster (VTC), also referred to as the ER-Golgi intermediate compartment (or ERGIC), is an organelle in eukaryotic cells. This compartment mediates trafficking between the endoplasmic reticulum and Golgi complex, facilitating the sorting of cargo. ERGI3 possible role in transport between endoplasmic reticulum and Golgi.