Potential role in vesicular protein trafficking, mainly in the early secretory pathway. Appears to play a role in the biosynthesis of secreted cargo including processing and post-translational modifications.
Subcellular locations: Endoplasmic reticulum membrane, Golgi apparatus, Cis-Golgi network membrane, Endoplasmic reticulum-Golgi intermediate compartment membrane, Cytoplasmic vesicle, COPI-coated vesicle membrane, Cytoplasmic vesicle, COPII-coated vesicle membrane
Cycles between compartments of the early secretatory pathway.