Table 5. Polynomial equations for the H⁺ coefficient of each reaction and metabolic pathway for the pH range 6.0 to 7.0.

Reaction	H+ Coefficients
Reaction	Polynomial*
Phosphagen System
HCrP + ADP + H+ ↔ Cr + ATP	A = 9.071, B = -4.631, C = 0.8177, D = -0.04592
ADP + ADP ↔ ATP + AMP	A = -3.442, B = 0.9321, C = -0.06334
AMP + H+ ↔ IMP + NH4	A = -48.99, B = 22.59, C = -3.365, D = 0.1656
ATP + H2O ↔ ADP + Pi +H+	A = -69.15, B = 33.03, C = -5.165, D = 0.2635
Glycogenolysis
Glycogen(n) + HP ↔ Glycogen(n-1) + G1P	A = -281.0, B = 182.7, C = -44.15, D = 4.702, E = -0.1861
G1P ↔ G6P	A = 27.5, B = -12.74, C = 1.942, D = -0.0979
Glycolysis
Glucose + ATP ↔ G6P + ADP + H+	A = -30.46, B = 16.66, C = -2.911, D = 0.1621
G6P ↔ F6P	A = -10.6, B = 4.857, C = -0.734, D = 0.03667
F6P + ATP ↔ F1,6P + ADP + H+	A = -83.84, B = 40.75, C = -6.491, D = 0.3379
F1,6P ↔ DHP + G3P	A = -1.007, B = 0.2371, C = -0.01347
DHP ↔ G3P	A = -65.39, B = 29.43, C = -4.36, D = 0.2134
G3P + HPi + NAD+ ↔ 1,3BPG + NADH + H+	A = 121.9, B = -59.52, C = 9.431, D = -0.4902
1,3BPG + ADP ↔ 3PG + ATP	A = -30.75, B = 16.07, C = -2.782, D = 0.1573
3PG ↔ 2PG	A = 200.7, B = -129.0, C = 30.86, D = -3.257, E = 0.128
2PG + ADP ↔ PEP	A = 62.94, B = -27.95, C = 4.082, D = -0.1967
PEP + ADP + H+ ↔ Pyr + ATP	A = 7.903, B = -6.276, C = 1.334, D = -0.08293
Lactate Production
Pyr + NADH + H+ ↔ La + NAD+	A = 5.093, B = -2.33, C = 0.4995, D = -0.04777, E = 0.001719
Net Glycolysis
Glycogen ↔ DHP + G3P	A = -2.245, B = 4.296, C = -1.138, D = 0.07857
Glucose ↔ DHP + G3P	A = -71.4, B = 37.33, C = -6.303, D = 0.3421
DHP + G3P ↔ Pyruvate	A = 205.8, B = -103.4, C = 16.64, D = -0.8694
DHP + G3P ↔ Lactate	A = 209.9, B = -104.3, C = 16.77, D = -0.8755
Glycogen ↔ Pyruvate	A = 203.5, B = -99.12, C = 15.5, D = -0.7908
Glucose ↔ Pyruvate	A = 134.4, B = -66.09, C = 10.34, D = -0.5273
Glycogen ↔ Lactate	A = 207.6, B = -100, C = 15.63, D = -0.797
Glucose ↔ Lactate	A = 138.5, B = -66.99, C = 10.46, D = -0.5334

* H⁺ coefficient = A + Bx + Cx² + Dx³ + Ex⁴; x = pH