begin name
liebal3
end name

begin reactions
v1 {1.0}$IPTG = {1.0}sigb
v2 {1.0}sigb = {1.0}lacz
v3 {1.0}sigb = {1.0}x
end reactions

begin rate equations
v1 = IPTG*kbs*multiplier - kbd*sigb[t]
v2 = -(kzd*lacz[t]) + (kzs*sigb[t])/(1 + x[t])
v3 = -(kxd*x[t]) + (kxs*sigb[t])/(1 + x[t])
end rate equations

begin parameters
kbd = 0.044
kbs = 100.0
kxd = 9.0
kxs = 0.76
kzd = 0.041
kzs = 0.0004
multiplier = 1.0
IPTG = 100.0
compartment = 1.0
end parameters

begin initial conditions
lacz[0] = laczi
sigb[0] = sigbi
x[0] = xi
end initial conditions

begin initial values
laczi = 0.0
sigbi = 0.0
xi = 0.0
end initial values

begin assignment rules
end assignment rules

begin function definitions
end function definitions

begin events
end events

begin process annotations
v1 http://identifiers.org/go/GO:0006508
v1 http://identifiers.org/go/GO:0009058
v2 http://identifiers.org/go/GO:0009058
v2 http://identifiers.org/go/GO:0006508
v3 http://identifiers.org/go/GO:0006508
v3 http://identifiers.org/go/GO:0009058
end process annotations

begin species annotations
IPTG http://identifiers.org/chebi/CHEBI:61448
lacz http://identifiers.org/ec-code/3.2.1.23
lacz http://identifiers.org/go/GO:0004565
sigb http://identifiers.org/interpro/IPR006288
x http://identifiers.org/chebi/CHEBI:35222
end species annotations

begin units
end units