/*
 * Bursting, Chaos and Birhythmicity Originating from Self-modulation
 * of the Inositol 1,4,5-triphosphate Signal in a Model for Intracellular
 * Ca2+ Oscillations
 * 
 * Model Status
 * 
 * This is an import for the model "houart_1999_1.1". It is used
 * to define a reoccuring structure within the model and may be
 * used for multiple equations in the model. This file is known
 * to run only in OpenCell in conjunction with the base file.
 * 
 * Model Structure
 * 
 * Bursting, Chaos and Birhythmicity Originating from Self-modulation
 * of the Inositol 1,4,5-triphosphate Signal in a Model for Intracellular
 * Ca2+ Oscillations, Houart G, Dupont G, Goldbeter A, 1999, Bulletin
 * of Mathematical Biology , 61, 507-530 PubMed ID: 17883229
 */

import nsrunit;
unit conversion on;
unit minute=60 second^1;
unit per_minute=.01666667 second^(-1);
unit per_litre=1E3 meter^(-3);
// unit micromolar predefined
unit micromolar_per_minute=1.6666667E-5 meter^(-3)*second^(-1)*mole^1;

math main {
	//Warning:  the following variables were set 'extern' or given
	//  an initial value of '0' because the model would otherwise be
	//  underdetermined:  A_init, B, C, D, E
	realDomain time minute;
	time.min=0;
	extern time.max;
	extern time.delta;
	extern real A_init micromolar;
	extern real B dimensionless;
	extern real C micromolar_per_minute;
	extern real D micromolar_per_minute;
	extern real E per_minute;
	real A(time) micromolar;
	when(time=time.min) A=A_init;

	// <component name="interface">
	A:time=(B*C-D-E*A);
}