D_SOS + EGFR_active -> A_SOS + EGFR_active A_SOS + Ras -> A_SOS + Ras_active EGFR_active -> 0 ERK + Mek_active -> ERK_active + Mek_active A_SOS + P90Rsk_Active -> D_SOS + P90Rsk_Active D_SOS + IGFR_active -> A_SOS + IGFR_active IGFR_active + PI3KCA -> IGFR_active + PI3KCA_active EGFR_active + PI3KCA -> EGFR_active + PI3KCA_active AKT + PI3KCA_active -> AKT_active + PI3KCA_active AKT_active -> AKT ERK_active + PP2A -> ERK + PP2A PI3KCA + Ras_active -> PI3KCA_active + Ras_active Raf + Ras_active -> Raf_active + Ras_active Mek + Raf_active -> Mek_active + Raf_active AKT_active + Raf_active -> AKT_active + Raf RasGapActive + Ras_active -> Ras + RasGapActive Mek_active + PP2A -> Mek + PP2A IGFR_active -> 0 PI3KCA_active -> PI3KCA RafPP + Raf_active -> Raf + RafPP ERK_active + P90RskInactive -> ERK_active + P90Rsk_Active P90Rsk_Active -> P90RskInactive