Characterization of a di-leucine-based signal in the cytoplasmic tail of the nucleotide-pyrophosphatase NPP1 that mediates basolateral targeting but not endocytosis. - Bello V; Goding JW; Greengrass V; Sali A; Dubljevic V; Lenoir C; Trugnan G; Maurice M (Molecular biology of the cell, 2001)