Node p53_b1 { logic = (!p53_b2 & !Mdm2nuc) | (p53_b2); rate_up = @logic ? $u_p53_b1 : 0; rate_down = @logic ? 0 : $d_p53_b1; } Node p53_b2 { logic = (p53_b1 & !Mdm2nuc); rate_up = @logic ? $u_p53_b2 : 0; rate_down = @logic ? 0 : $d_p53_b2; } Node Mdm2cyt { logic = (p53_b1 & p53_b2); rate_up = @logic ? $u_Mdm2cyt : 0; rate_down = @logic ? 0 : $d_Mdm2cyt; } Node Mdm2nuc { logic = (!p53_b1 & !Mdm2cyt & !DNAdam) | (!p53_b1 & Mdm2cyt) | (p53_b1 & Mdm2cyt); rate_up = @logic ? $u_Mdm2nuc : 0; rate_down = @logic ? 0 : $d_Mdm2nuc; } Node DNAdam { logic = (!p53_b1 & DNAdam); rate_up = @logic ? $u_DNAdam : 0; rate_down = @logic ? 0 : $d_DNAdam; }