begin name
goldbeter2
end name

begin reactions
v1 {1.0}$EXTERNAL = {1.0}Cvar
v2 {1.0}Cvar = {1.0}$EXTERNAL
v3 {1.0}Cvar = {1.0}$EXTERNAL
v4 {1.0}$EXTERNAL = {1.0}Mvar
v5 {1.0}Mvar = {1.0}$EXTERNAL
v6 {1.0}$EXTERNAL = {1.0}X
v7 {1.0}X = {1.0}$EXTERNAL
end reactions

begin rate equations
v1 = cell*vi
v2 = cell*kd*Cvar[t]
v3 = (cell*vd*Cvar[t]*X[t])/(Kd + Cvar[t])
v4 = (cell*V1*(1 - Mvar[t]))/(1 + K1 - Mvar[t])
v5 = (cell*V2*Mvar[t])/(K2 + Mvar[t])
v6 = (cell*V3*(1 - X[t]))/(1 + K3 - X[t])
v7 = (cell*V4*X[t])/(K4 + X[t])
end rate equations

begin parameters
K1 = 0.005
K2 = 0.005
K3 = 0.005
K4 = 0.005
Kc = 0.5
Kd = 0.02
V2 = 1.5
V4 = 0.5
VM1 = 3.0
VM3 = 1.0
cell = 1.0
kd = 0.01
vd = 0.25
vi = 0.025
defaultcompartment = 1.0
end parameters

begin initial conditions
Cvar[0] = Cvari
Mvar[0] = Mvari
X[0] = Xi
end initial conditions

begin initial values
Cvari = 0.01
Mvari = 0.01
Xi = 0.01
end initial values

begin assignment rules
V1 := (VM1*Cvar[t])/(Kc + Cvar[t])
V3 := VM3*Mvar[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