Metabolite-enzyme model

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In a chemical model, there can be any number of species and reactions. In the metabolite-enzyme model used in this project, there are four species:

  • Metabolite A, denoted A
  • Metabolite B, denoted A
  • Enzyme A, denoted eA
  • Enzyme B, denoted eB

These four species interact with each other and the surrounding cellular "soup" according to 9 different reactions. Exactly one reaction occurs at each timestep. The likelihood of a each reaction occurring is given by simple equations involving reaction constants and the current numbers of each species. The 9 reactions are:

  • Creation of one new molecule of A from the soup
  • Creation of one new molecule of B from the soup
  • Creation of one new molecule of eA from the soup
  • Creation of one new molecule of eB from the soup
  • Disappearance of one molecule of of A into the soup
  • Disappearance of one molecule of of B into the soup
  • Disappearance of one molecule of of eA into the soup
  • Disappearance of one molecule of of eB into the soup
  • Disappearance of one molecule of of A and one of B into the soup


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