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Glycolysis & Gluconeogenesis
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CHAPTER 1: LIPIDS
CHAPTER 2: PROTEINS
CHAPTER 3: CARBOHYDRATES
CHAPTER 4 - NUCLEIC ACIDS
CHAPTER 5: BINDING
CHAPTER 6 - TRANSPORT AND KINETICS
CHAPTER 7 - CATALYSIS
CHAPTER 8: OXIDATIVE-PHOSPHORYLATION
CHAPTER 9 - SIGNAL TRANSDUCTION
Chapter 10: METABOLIC PATWAYS
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Overall Reaction for the Pathway

Glucose + 2 ADP + 2 Pi + 2 NAD+ ---> 2 Pyruvate + 2 ATP + 2 NADH + 2 H+ + 2 H2O

Glucose
a-D-Glucose
Glucose-6-phosphate
a-D-Glucose-6-phosphate
Fructose-6-phosphate
D-Fructose-6-phosphate
Fructose-1,6-bisphosphate
D-Fructose-1,6-bisphosphate
Glyceraldehyde-3-phosphate Dihydroxyacetone phosphate
Glyceraldehyde-3-phosphate + Dihydroxyacetone phosphate
Glyceraldehyde-3-phosphate
Glyceraldehyde-3-phosphate
1,3-Bisphosphoglycerate
1,3-Bisphosphoglycerate
3-Phosphoglycerate
3-Phosphoglycerate
2-Phosphoglycerate
2-Phosphoglycerate
Phosphoenolpyruvate
Phosphoenolpyruvate
Pyruvate


Gibbs Free Energy Changes

Rxn# Enzyme DG°'
(kJ/mol)
DG
(kJ/mol)
1 Hexokinase -16.7 -33.5
2 Phosphoglucoisomerase +1.7 -2.5
3 Phosphofructokinase -14.2 -22.2
4 Aldolase +23.9 -1.3
5 Triose phosphate isomerase +7.6 +2.5
6 Glyceraldehyde-3-phosphate
dehydrogenase
+12.6 -3.4
7 Phosphoglycerate kinase -37.6 +2.6
8 Phosphoglycerate mutase +8.8 +1.6
9 Enolase +3.4 -6.6
10 Pyruvate kinase -62.8 -33.4


The DG values are estimated from intracellular concentrations of glycolytic intermediates in rabbit skeletalmuscle. N.B., the DG values after reaction number 5 are doubled since two G-3-P molecules exist after reaction number 5.

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