(1) CASP9|S196_unk|T125_unk|S144_unk|Y153_unk+NO -> CASP9|S196_unk|T125_unk|S144_unk|Y153_unk (2) CASP9|S196_unk|T125_unk|S144_unk|Y153_unk+TXN -> CASP9|S196_unk|T125_unk|S144_unk|Y153_unk+TXN