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Feeder Pathways for Glycolysis

This image is a scaled-down version of the actual pathway image. It does not contain any links to the protein information pages.


Many carbohydrates besides Glucose (or D-Glucose) meet their catabolic fate in Glycolysis, after being transformed into one of the Glycolytic intermediates. The most significant are the storage polysaccharides Glycogen and Starch; the disaccharides Maltose, Lactose, Trehalose and Sucrose; and the monosaccharides Fructose (or D-Fructose), Mannose (or D-Mannose) and Galactose (or D-Galactose) (Ref.1). Glycogen in animal tissues and in microorganisms; and Starch in plants, are mobilized for use within the same cell by a phosphorolytic reaction catalyzed by Phosphorylase (that is Glycogen Phosphorylase in animals and in microorganisms or Starch Phosphorylase in plants). These enzymes catalyze an attack by Pi (Inorganic Phosphate) on the (Alpha1-4) glycosidic linkage that joins the last two Glucose residues at a non-reducing end, generating Glucose-1-Phosphate and [...]


1.The molecular biology of galactosemia.
Elsas LJ 2nd, Lai K.
Genet. Med. 1998 Nov-Dec;1(1):40-8.
2.Molecular basis of disorders of human galactose metabolism: past, present, and future.
Novelli G, Reichardt JK.
Mol. Genet. Metab. 2000 Sep-Oct;71(1-2):62-5.
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