// This model generated automatically from SBML

// unit definitions
import nsrunit;
unit conversion off;

// SBML property definitions
property sbmlRole=string;
property sbmlName=string;
property sbmlCompartment=string;

// SBML reactions
// R00104: NAD_plus_ <=> NADP_plus_ 
// R00112: NAD_plus_ => NADP_plus_ 
// R02323: Nicotinamide_space_D_minus_ribonucleotide <=> N_minus_Ribosylnicotinamide 
// R03346: Nicotinate_space_D_minus_ribonucleotide => Nicotinate_space_D_minus_ribonucleoside 

math main {
  realDomain time second;
  time.min=0;
  extern time.max;
  extern time.delta;

  // variable definitions
  real default = 1 L;
  real uVol = 1 L;
  real E3_space_1_space_3_space_5 = 0 M;
  real E2_space_7_space_1_space_23 = 0 M;
  real E1_space_6_space_1_space_2 = 0 M;
  real Nicotinate_space_D_minus_ribonucleoside(time) M;
  real N_minus_Ribosylnicotinamide(time) M;
  real Nicotinamide_space_D_minus_ribonucleotide(time) M;
  real Nicotinate_space_D_minus_ribonucleotide(time) M;
  real NAD_plus_(time) M;
  real NADP_plus_(time) M;
  real R00104(time) katal;
  extern real R00104.kf;
  extern real R00104.kb;
  real R00112(time) katal;
  extern real R00112.kf;
  extern real R00112.kb;
  real R02323(time) katal;
  extern real R02323.kf;
  extern real R02323.kb;
  real R03346(time) katal;
  extern real R03346.kf;
  extern real R03346.kb;

  // equations
  when (time=time.min) Nicotinate_space_D_minus_ribonucleoside = 0;
  (Nicotinate_space_D_minus_ribonucleoside*uVol):time = R03346;
  when (time=time.min) N_minus_Ribosylnicotinamide = 0;
  (N_minus_Ribosylnicotinamide*uVol):time = R02323;
  when (time=time.min) Nicotinamide_space_D_minus_ribonucleotide = 0;
  (Nicotinamide_space_D_minus_ribonucleotide*uVol):time = -1*R02323;
  when (time=time.min) Nicotinate_space_D_minus_ribonucleotide = 0;
  (Nicotinate_space_D_minus_ribonucleotide*uVol):time = -1*R03346;
  when (time=time.min) NAD_plus_ = 0;
  (NAD_plus_*uVol):time = -1*R00104 + -1*R00112;
  when (time=time.min) NADP_plus_ = 0;
  (NADP_plus_*uVol):time = R00104 + R00112;
  R00104 = R00104.kf*NAD_plus_ - R00104.kb*NADP_plus_;
  R00112 = R00112.kf*NAD_plus_ - R00112.kb*NADP_plus_;
  R02323 = R02323.kf*Nicotinamide_space_D_minus_ribonucleotide - R02323.kb*N_minus_Ribosylnicotinamide;
  R03346 = R03346.kf*Nicotinate_space_D_minus_ribonucleotide - R03346.kb*Nicotinate_space_D_minus_ribonucleoside;

  // variable properties
  default.sbmlRole="compartment";
  uVol.sbmlRole="compartment";
  E3_space_1_space_3_space_5.sbmlRole="species";
  E3_space_1_space_3_space_5.sbmlCompartment="uVol";
  E2_space_7_space_1_space_23.sbmlRole="species";
  E2_space_7_space_1_space_23.sbmlCompartment="uVol";
  E1_space_6_space_1_space_2.sbmlRole="species";
  E1_space_6_space_1_space_2.sbmlCompartment="uVol";
  Nicotinate_space_D_minus_ribonucleoside.sbmlRole="species";
  Nicotinate_space_D_minus_ribonucleoside.sbmlCompartment="uVol";
  N_minus_Ribosylnicotinamide.sbmlRole="species";
  N_minus_Ribosylnicotinamide.sbmlCompartment="uVol";
  Nicotinamide_space_D_minus_ribonucleotide.sbmlRole="species";
  Nicotinamide_space_D_minus_ribonucleotide.sbmlCompartment="uVol";
  Nicotinate_space_D_minus_ribonucleotide.sbmlRole="species";
  Nicotinate_space_D_minus_ribonucleotide.sbmlCompartment="uVol";
  NAD_plus_.sbmlRole="species";
  NAD_plus_.sbmlCompartment="uVol";
  NADP_plus_.sbmlRole="species";
  NADP_plus_.sbmlCompartment="uVol";
  R00104.sbmlRole="rate";
  R00104.kf.sbmlRole="rate";
  R00104.kb.sbmlRole="rate";
  R00112.sbmlRole="rate";
  R00112.kf.sbmlRole="rate";
  R00112.kb.sbmlRole="rate";
  R02323.sbmlRole="rate";
  R02323.kf.sbmlRole="rate";
  R02323.kb.sbmlRole="rate";
  R03346.sbmlRole="rate";
  R03346.kf.sbmlRole="rate";
  R03346.kb.sbmlRole="rate";
}