Predicted to be involved in signal transduction. Predicted to act upstream of or within protein transport. Predicted to be located in cytosol and nucleoplasm. Predicted to be active in endocytic vesicle. Is expressed in several structures, including alimentary system; central nervous system; genitourinary system; heart; and skin. Orthologous to human STAM2 (signal transducing adaptor molecule 2). [provided by Alliance of Genome Resources, Apr 2022]