The model contains one compartment called C. There are four species called X0, X1, T and S1 and two parameters called k1 and k2. The model contains two reactions defined as:
Reaction | Rate |
X0 → T | C · k1 · X0 |
T → X1 | C · k2 · T |
The model contains one rule:
Type | Variable | Formula |
Algebraic | n/a | add(X0, X1) + T − S1 |
The model contains one event that assigns value to species X1 defined as:
Trigger | Delay | Assignments | |
Event1 | greaterthan(X1, 2) | − | X1 = 1 |
Both the rule and the event use functionDefinitions defined as:
Id | Arguments | Formula |
greaterthan | x, y | x > y |
add | x, y | x + y |
The initial conditions are as follows:
Value | Units | |
Initial amount of X0 | 1.25 | mole |
Initial amount of X1 | 1.5 | mole |
Initial amount of T | 1 | mole |
Initial amount of S1 | 3.75 | mole |
Value of parameter k1 | 0.1 | second-1 |
Value of parameter k2 | 0.2 | second-1 |
Volume of compartment C | 1 | litre |
The species values are given as amounts of substance to make it easier to use the model in a discrete stochastic simulator, but (as per usual SBML principles) their symbols represent their values in concentration units where they appear in expressions.