Enables protein kinase binding activity; protein serine/threonine kinase inhibitor activity; and stem cell factor receptor binding activity. Involved in negative regulation of cell differentiation; regulation of protein modification process; and regulation of signal transduction. Acts upstream of or within negative regulation of MAPK cascade. Located in cytoplasmic vesicle and plasma membrane. Is expressed in several structures, including alimentary system; central nervous system; embryo mesenchyme; heart; and sensory organ. Used to study achondroplasia. Orthologous to human SPRED2 (sprouty related EVH1 domain containing 2). [provided by Alliance of Genome Resources, Apr 2022]