a member of the p24 family of proteins; have a role in the negative regulation of lin-12 and glp-1 transport to the cell surface may also have a role in a quality control mechanism for endoplasmic reticulum-Golgi transport; the budding of coatomer-coated and other species of coated vesicles; could bind cargo molecules to collect them into budding vesicles; isolated from Caenorhabditis elegans; amino acid ssequence in first source; GenBank AF014940