May act as a scaffolding protein within caveolar membranes. Interacts directly with G-protein alpha subunits and can functionally regulate their activity. Caveolin-2 may function as an accessory protein in conjunction with caveolin-1 (By similarity).
Subcellular locations: Golgi apparatus membrane, Cell membrane, Membrane, Caveola
Potential hairpin-like structure in the membrane. Membrane protein of caveolae (By similarity).