RKIP + Raf1 -> Raf1_RKIP
Raf1_RKIP -> RKIP + Raf1
ERKPP + Raf1_RKIP -> Raf1_RKIP_ERKPP
Raf1_RKIP_ERKPP -> ERKPP + Raf1_RKIP
Raf1_RKIP_ERKPP -> ERK + RKIPP + Raf1
ERK + MEKPP -> MEKPP_ERK
MEKPP_ERK -> ERK + MEKPP
MEKPP_ERK -> ERKPP + MEKPP
RKIPP + RP -> RKIPP_RP
RKIPP_RP -> RKIPP + RP
RKIPP_RP -> RKIP + RP