Gluconeogenesis
From Proteopedia
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Gluconeogenesis is a metabolic pathway that results in the generation of glucose from certain non-carbohydrate carbon substrates. [[Phosphoglycerate Kinase|Phosphoglycerate kinase]] is an enzyme that catalyzes the reversible transfer of a phosphate group from <scene name='39/392339/Cv1/5'>1,3-bisphosphoglycerate (1,3-BPG)</scene> to ADP producing <scene name='39/392339/Cv1/6'>3-phosphoglycerate (3-PG)</scene> and ATP: | Gluconeogenesis is a metabolic pathway that results in the generation of glucose from certain non-carbohydrate carbon substrates. [[Phosphoglycerate Kinase|Phosphoglycerate kinase]] is an enzyme that catalyzes the reversible transfer of a phosphate group from <scene name='39/392339/Cv1/5'>1,3-bisphosphoglycerate (1,3-BPG)</scene> to ADP producing <scene name='39/392339/Cv1/6'>3-phosphoglycerate (3-PG)</scene> and ATP: | ||
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| + | In humans the main gluconeogenic precursors are lactate, glycerol (which is a part of the triglyceride molecule), alanine and glutamine. Other glucogenic amino acids and all citric acid cycle intermediates (through conversion to oxaloacetate) can also function as substrates for gluconeogenesis. | ||
1,3-bisphosphoglycerate + ADP ⇌ glycerate 3-phosphate + ATP | 1,3-bisphosphoglycerate + ADP ⇌ glycerate 3-phosphate + ATP | ||
Revision as of 15:09, 22 November 2022
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