%iGEM 2008 :MB close all; clear all; clc; warning off MATLAB:divideByZero global K_1 K_2 K_3 K_4 K_5 K_g delta1 delta2; disp(' '); disp('__________________________________________________________________________'); disp('iGEM 2008 : Inducible Promoter Model 1'); disp('__________________________________________________________________________'); disp(' '); tmax = input('t_max of the simulation? (Default is 10) '); if isempty(tmax) tmax = 10; end K_1 = input('K_1 ? (Default is 1) '); if isempty(K_1) K_1 = 1; end K_2=0; K_3=0; K_4 = input('K_4 ? (Default is 1) '); if isempty(K_4) K_4 = 1; end K_5 = input('K_5 ? (Default is 1) '); if isempty(K_5) K_5 = 1; end K_g = input('K_g ? (Default is 1) '); if isempty(K_g) K_g = 1; end delta1 = input('Degradation rate of LacI ? (Default is 1) '); if isempty(delta1) delta1 = 1; end delta2 = input('Degradation rate of GFP ? (Default is 1) '); if isempty(delta2) delta2 = 1; end disp(' '); disp('__________________________________________________________________________'); disp(' Initial Conditions'); disp('__________________________________________________________________________'); disp(' '); alpha = input('Initial Concentrationof LacI? (Default is 0) '); if isempty(alpha) alpha= 0; end x0(1)=alpha; x0(2)=0; x0(3)=0; alpha = input('Initial Concentrationof of Promoter? (Default is 1) '); if isempty(alpha) alpha= 1; end x0(4)=alpha; alpha = input('Initial Concentrationof of Bound Promoter? (Default is 0) '); if isempty(alpha) alpha= 0; end x0(5)=alpha; alpha = input('Initial Concentrationof of GFP? (Default is 0) '); if isempty(alpha) alpha= 0; end x0(6)=alpha; % x(1); % LacI % x(2); % IPTG % x(3); % LacI-IPTG % x(4); % P % x(5); % P-LacI % x(6); % GFP %__________________________________________________________________________ %__________________________________________________________________________ % Display Options: User chooses what plots they want to see disp(' '); disp('__________________________________________________________________________'); disp(' '); disp('You can now choose what plots to display'); display_option = input('Do You want to see all the plots or customize the display ? (0=All else=Custom)'); if isempty(display_option) display_option = 0; end display_option_1=1; display_option_2=0; display_option_3=0; display_option_4=1; display_option_5=1; display_option_6=1; if (display_option>0) alpha = input('Do You want to see the Evolution of the concentration of LacI? (0=N else Y)'); if isempty(alpha) alpha = 1; end if (alpha>0) alpha=1; end display_option_1=alpha; alpha = input('Do You want to see the Evolution of the concentration of free Promoters else Y)'); if isempty(alpha) alpha = 1; end if (alpha>0) alpha=1; end display_option_4=alpha; alpha = input('Do You want to see the Evolution of the concentration of the P-LacI Complex? (0=N else Y)'); if isempty(alpha) alpha = 1; end if (alpha>0) alpha=1; end display_option_5=alpha; alpha = input('Do You want to see the Evolution of the concentration of GFP? (0=N else Y)'); if isempty(alpha) alpha = 1; end if (alpha>0) alpha=1; end display_option_6=alpha; end [t,x] = ode45('InduciblePromoter_SimpleODE',[0 tmax],x0); %__________________________________________________________________________ %__________________________________________________________________________ % Display of the Interesting Quantities if (display_option_1>0) figure; maxi=0; plot(t, x(:,1)); maxi=max(x(:,1)); if (maxi==0) maxi=0.1; end axis([0 tmax 0 maxi]); xlabel('time'); ylabel('Concentration of the concentration of LacI'); title(' Evolution of the Concentration of the concentration of LacI '); hold off; end if (display_option_4>0) figure; maxi=0; plot(t, x(:,4)); maxi=max(x(:,4)); if (maxi==0) maxi=0.1; end axis([0 tmax 0 maxi]); xlabel('time'); ylabel('Concentration of the concentration of free Promoters'); title(' Evolution of the Concentration of the concentration of free Promoters'); hold off; end if (display_option_5>0) figure; maxi=0; plot(t, x(:,5)); maxi=max(x(:,5)); if (maxi==0) maxi=0.1; end axis([0 tmax 0 maxi]); xlabel('time'); ylabel('Concentration of the concentration of the P-LacI Complex'); title(' Evolution of the Concentration of the concentration of the P-LacI Complex'); hold off; end if (display_option_6>0) figure; maxi=0; plot(t, x(:,6)); maxi=max(x(:,6)); if (maxi==0) maxi=0.1; end axis([0 tmax 0 maxi]); xlabel('time'); ylabel('Concentration of Fluorescent Protein FP'); title(' Evolution of the Concentration of Fluorescent Protein FP'); hold off; end clear all %__________________________________________________________________________ %__________________________________________________________________________