begin name
romond1
end name

begin reactions
R1 {1.0}$EXTERNAL = {1.0}C1
R10 {1.0}C2 = {1.0}$EXTERNAL
R2 {1.0}C1 = {1.0}$EXTERNAL
R3 {1.0}C1 = {1.0}$EXTERNAL
R8 {1.0}$EXTERNAL = {1.0}C2
R9 {1.0}C2 = {1.0}$EXTERNAL
end reactions

begin rate equations
R1 = (compartment*Kim1*vi1)/(Kim1 + M2[t])
R10 = compartment*kd2*C2[t]
R2 = (compartment*vd1*C1[t]*X1[t])/(Kd1 + C1[t])
R3 = compartment*kd1*C1[t]
R8 = (compartment*Kim2*vi2)/(Kim2 + M1[t])
R9 = (compartment*vd2*C2[t]*X2[t])/(Kd2 + C2[t])
end rate equations

begin parameters
H1 = 0.01
H2 = 0.01
H3 = 0.01
H4 = 0.01
K1 = 0.01
K2 = 0.01
K3 = 0.01
K4 = 0.01
Kd1 = 0.02
Kd2 = 0.02
Kc1 = 0.5
Kc2 = 0.5
Kim1 = 0.03
Kim2 = 0.03
U2 = 0.15
U4 = 0.05
UM1 = 0.3
UM3 = 0.1
V2 = 0.15
V4 = 0.05
VM1 = 0.3
VM3 = 0.1
kd1 = 0.001
kd2 = 0.001
vd1 = 0.025
vd2 = 0.025
vi1 = 0.05
vi2 = 0.05
compartment = 1.0
end parameters

begin initial conditions
C1[0] = C1i
C2[0] = C2i
M1[0] = M1i
M2[0] = M2i
X1[0] = X1i
X2[0] = X2i
X2[0] = X2i
M2[0] = M2i
X1[0] = X1i
M1[0] = M1i
end initial conditions

begin initial values
C1i = 2.0
C2i = 0.0
M1i = 1.0
M2i = 0.0
X1i = 0.0
X2i = 0.0
X2i = 0.0
M2i = 0.0
X1i = 0.0
M1i = 1.0
end initial values

begin assignment rules
U3 := UM3*M2[t]
U1 := (UM1*C2[t])/(Kc2 + C2[t])
V3 := VM3*M1[t]
V1 := (VM1*C1[t])/(Kc1 + C1[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