begin name obeyesekere1 end name begin reactions 1 {1.0}$EXTERNAL = {1.0}D1 7 {1.0}RS1 = {1.0}$EXTERNAL cycECDK2degradation1 {1.0}E1 = {1.0}$EXTERNAL cyclebreak1 {1.0}X1 = {1.0}$EXTERNAL cycleprogression1 {1.0}$EXTERNAL = {1.0}X1 cyclinCDK4degradation1 {1.0}D1 = {1.0}$EXTERNAL cyclin1 {1.0}$EXTERNAL = {1.0}E1 pRBE2Fcomplexassociation1 {1.0}R1 = {1.0}RS1 pRBE2FcomplexdeassociationviacycDCDK41 {1.0}RS1 = {1.0}$EXTERNAL pRBpdephosphorylation1 {1.0}$EXTERNAL = {1.0}R1 end reactions begin rate equations 1 = (aD1*GF1*k1)/(1 + GF1*k1) 7 = (pE1*E1[t]*RS1[t])/(qE1 + E1[t] + RS1[t]) cycECDK2degradation1 = dE1*E1[t]*X1[t] cyclebreak1 = dX1*X1[t] cycleprogression1 = E2F1*f1 + aX1*E1[t] + g1*E1[t]*X1[t]^2 cyclinCDK4degradation1 = dD1*D1[t]*E1[t] cyclin1 = aE1*(1 + af1*E2F1) pRBE2Fcomplexassociation1 = E2F1*pS1*R1[t] pRBE2FcomplexdeassociationviacycDCDK41 = (pD1*D1[t]*RS1[t])/(qD1 + D1[t] + RS1[t]) pRBpdephosphorylation1 = (pX1*RP1*X1[t])/(qX1 + RP1 + X1[t]) end rate equations begin parameters GF1 = 6.3 RT1 = 2.5 aD1 = 0.4 aE1 = 0.16 aX1 = 0.08 af1 = 0.9 dD1 = 0.4 dE1 = 0.2 dX1 = 1.04 f1 = 0.2 g1 = 0.528 k1 = 0.05 pD1 = 0.48 pE1 = 0.096 pS1 = 0.6 pX1 = 0.48 qD1 = 0.6 qE1 = 0.6 qX1 = 0.8 theta1 = 1.5 cell1 = 1.0 end parameters begin initial conditions D1[0] = D1i E1[0] = E1i RS1[0] = RS1i R1[0] = R1i X1[0] = X1i end initial conditions begin initial values D1i = 0.1 E1i = 0.6 RS1i = 1.0 R1i = 0.5 X1i = 0.7 end initial values begin assignment rules RP1 := RT1 - RS1[t] - R1[t] E2F1 := theta1 - RS1[t] unphoRB := RS1[t] + R1[t] end assignment rules begin function definitions end function definitions begin events end events begin process annotations end process annotations begin species annotations end species annotations begin units end units