Table 1.

The incidence (stoichiometric) matrix for the network in Figure 1. p_i stands for a metabolite (place) and t_j for a reaction (transition).

C	t1: Inver-tase	t2: Hexo-kinase	t3: Fructo-kinase	t4: Phospho-glucosio-merase_f	t5: Phospho-glucosio-merase_b	t6: Glyco-lysis	t7: Starch synthase	t8: Sucrose input	t9: Starch output
p1: Sucrose	−1	0	0	0	0	0	0	+1	0
p2: Glucose	+1	−1	0	0	0	0	0	0	0
p3: Fructose	+1	0	−1	0	0	0	0	0	0
p4: F6P	0	0	+1	+1	−1	−1	0	0	0
p5: G6P	0	+1	0	−1	+1	0	−1	0	0
p6: Starch	0	0	0	0	0	0	+1	0	−1
p7: ADP	0	+1	+1	0	0	−29	+1	0	0
p8: ATP	0	−1	−1	0	0	+29	−1	0	0