x1 = EGF x2 = HRG x3 = A1 x4 = A1_2 x5 = A2 x6 = A2_2 x7 = A3 x8 = A3_2 x9 = DUSPmRNA x10 = ERK_c x11 = pERK_c x12 = ppERK_c x13 = F x14 = c_FOS_c x15 = pc_FOS_c x16 = c_FOSmRNA x17 = FmRNA x18 = Kin x19 = Kin_2 x20 = pMEK x21 = MEK x22 = DUSP_c x23 = pDUSP_c x24 = RSK_c x25 = pRSK_c x26 = RsD x27 = RsT x28 = CREB_n x29 = pCREB_n x30 = ERK_n x31 = pERK_n x32 = ppERK_n x33 = Elk1_n x34 = pElk1_n x35 = FOSn x36 = FOSn_2 x37 = Fn x38 = DUSP_n x39 = pDUSP_n x40 = pDUSP_n_ERK_n x41 = pDUSP_n_pERK_n x42 = pDUSP_n_ppERK_n x43 = DUSP_n_ERK_n x44 = DUSP_n_pERK_n x45 = DUSP_n_ppERK_n x46 = PreDUSPmRNA x47 = PreFOSmRNA x48 = PreFmRNA x49 = pRSK_n