The affinities of procolipase and colipase for interfaces are regulated by lipids.
Schmit GD, Momsen MM, Owen WG, Naylor S, Tomlinson A, Wu G, Stark RE, Brockman HL. The affinities of procolipase and colipase for interfaces are regulated by lipids. Biophys J. 1996 Dec; 71(6):3421-9.