GLUKOSA TRANSPORTER PDF

Glucose transporters (GLUT and SGLT): expanded families of Glucose transporter proteins: Diabetes mellitus: Adipose tissue: Muscle: Sugar transport. Glucose transporter 1 (or GLUT1), also known as solute carrier family 2, facilitated glucose transporter member 1 (SLC2A1), is a uniporter protein that in humans. Sodium-dependent glucose cotransporters are a family of glucose transporter found in the intestinal mucosa (enterocytes) of the small intestine (SGLT1) and the.

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Lehninger, Principles of Biochemistry.

EC number Enzyme superfamily Enzyme family List of enzymes. If the plasma glucose concentration is too high hyperglycemiaglucose is excreted in urine glucosuria because SGLT are saturated with the filtered glucose. Another mutation, ARGCYS, has been shown to cause Dystonia 9 DYT9an autosomal dominant neurologic disorder characterized by childhood onset of paroxysmal choreoathetosis and progressive spastic paraplegia. With the exception of Lys76, these residues are all located on the luminal side of the ER membrane.

This article incorporates text from the United States National Transportee of Medicinewhich is in the public domain.

Retrieved from ” https: Protein pages needing a picture. By using this site, you agree to the Terms of Use and Privacy Policy. The phospho-intermediate produced by the reaction between His and the phosphate group is then broken by a hydrophilic attack; after the addition of another hydroxide and the decomposition of a carbonyl, the carbonyl is reformed kicking off the electrons originally donated by the His residue thereby creating a free phosphate group and completing the hydrolysis.

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Sodium-glucose transport proteins

The negatively charged glucose-bound oxygen is then protonated by His forming a free glucose. Vesicular glutamate transporter 1 SLC32A1. Lay summary — ScienceDaily March 21, The New England Journal of Medicine. Proceedings of a Symposium held in Tranxporter, August 22—27, The main phosphatase function is performed by the glucosephosphatase catalytic subunit.

Not to be confused with Glucosephosphate dehydrogenase.

In this model, glucosephosphatase has a low degree of selectivity. Essential residues in the active site of vanadium haloperoxidases include: In some EIG12 patients seizures may remit with age.

From Wikipedia, the free encyclopedia. Expression levels of GLUT1 in cell membranes are increased by reduced glucose levels and decreased by increased glucose levels. HIS is the nucleophile forming the phosphohistidine-enzyme intermediate during catalysis”.

Phloretin Phlorizin T TA. The hydrolysis of glucosephosphate begins with a nucleophilic attack on the sugar-bound phosphate by His resulting in the formation of a phosphohistidine bond and the degradation of a carbonyl.

By using this site, you agree to the Terms of Use and Privacy Policy. These co-transporters are an example of secondary active transport.

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Click on genes, proteins and metabolites below to link to respective articles. By using this site, you agree to the Terms of Use and Privacy Policy. Glucose 6-phosphatase EC 3. The detailed structure of GLUT1 is not known yet, but one plausible model suggests that the side-by-side assembly of several helices produces a transmembrane channel lined with hydrophilic residues that can hydrogen-bond with glucose as it moves through the channel. The enzyme plays an important role during periods of fasting and when glucose levels are low.

GLUT1 – Wikipedia

In humans, there are three isozymes of the catalytic subunit: In other projects Wikimedia Commons. By group SLC1—10 1: Genes on human chromosome 22 Genes on human chromosome 16 Solute carrier family. Fasentin is a small molecule inhibitor of the intracellular domain of GLUT1 preventing glucose uptake.

SGLT2 inhibitors, also called gliflozins[4] are used in the treatment of type 2 diabetes. Membrane proteinscarrier proteins: