[名词解释] growth factor receptor-bound protein 2 (Grb2蛋白)

divergence (信号趋异) Sos protein (SOS蛋白) 什么是先予执行，对哪些案件可以适用先予执行？ EGF受体(EGF receptor) epidermal growth factor, EGF (表皮生长因子) growth factor receptor-bound protein 2 (Grb2蛋白)