EGF + R -> Ra Ra -> EGF + R 2*Ra -> R2 R2 -> 2*Ra R2 -> RP RP -> R2 RP -> R2 PLCg + RP -> RPLCg RPLCg -> PLCg + RP RPLCg -> RPLCgP RPLCgP -> RPLCg RPLCgP -> PLCgP + RP PLCgP + RP -> RPLCgP PLCgP -> PLCg Grb + RP -> RG RG -> Grb + RP RG + SOS -> RGS RGS -> RG + SOS RGS -> GS + RP GS + RP -> RGS GS -> Grb + SOS Grb + SOS -> GS RP + Shc -> RSh RSh -> RP + Shc RSh -> RShP RShP -> RSh RShP -> RP + ShP RP + ShP -> RShP ShP -> Shc Grb + RShP -> RShG RShG -> Grb + RShP RShG -> RP + ShG RP + ShG -> RShG RShG + SOS -> RShGS RShGS -> RShG + SOS RShGS -> RP + ShGS RP + ShGS -> RShGS Grb + ShP -> ShG ShG -> Grb + ShP SOS + ShG -> ShGS ShGS -> SOS + ShG ShGS -> GS + ShP GS + ShP -> ShGS GS + RShP -> RShGS RShGS -> GS + RShP PLCgP -> PLCgl PLCgl -> PLCgP