Table 2.

Statistic on the thermodynamic data for each of the above 12 alternative pathways.

No. of pathway	Patheway-1	Patheway-2	Patheway-3	Patheway-4	Patheway-5	Patheway-6
Nos	16	16	16	16	16	16
Nzo	10	10	10	10	10	10
Nssr	6	6	6	6	6	6
Nssi	0	0	0	0	0	0
Nex	5	5	5	5	5	5
Total	37	37	37	37	37	37
No. of pathway	Patheway-7	Patheway-8	Patheway-9	Patheway-10	Patheway-11	Patheway-12
Nos	16	16	16	16	16	16
Nzo	10	10	10	10	10	10
Nssr	6	6	6	6	6	6
Nssi	0	0	0	0	0	0
Nex	5	5	5	5	5	5
Total	37	37	37	37	37	37

Nos: number of reactions that the fluxes and their corresponding free energy changes have opposite signs.

Nzo: number of reactions that the free energy changes are zero.

Nssr: number of reversible reactions that the fluxes and their corresponding free energy changes have the same signs.

Nssi: number of irreversible reactions that the fluxes and their corresponding free energy changes have the same signs.

Nex: number of exchange reactions.