Predicted to enable transmembrane receptor protein tyrosine kinase adaptor activity. Predicted to be involved in Ras protein signal transduction; cell surface receptor protein tyrosine kinase signaling pathway; and positive regulation of MAPK cascade. Predicted to be active in cytoplasm. Orthologous to human DOK2 (docking protein 2); PARTICIPATES IN interleukin-2 signaling pathway; interleukin-4 signaling pathway; INTERACTS WITH 17beta-estradiol; 17beta-estradiol 3-benzoate; 2,3,7,8-tetrachlorodibenzodioxine.