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The end product of the glutaminase reaction, glutamate, is a strong inhibitor of the reaction. Changes in glutamate dehydrogenase, which converts glutamate to 2-oxoglutarate and thereby decreases intramitochondrial glutamate levels, are thereby an important regulatory mechanism of glutaminase activity.
In commercial food processing, transglutaminase is used to bond proteins together. Examples of foods made using transglutaminase include imitation crabmeat , and fish balls . It is produced by Streptomyces mobaraensis fermentation in commercial quantities ( P81453 ) or extracted from animal blood, [ 13 ] and is used in a variety of processes ...
Glutamine synthetase catalyzed reaction. Glutamine synthetase uses ammonia produced by nitrate reduction, amino acid degradation, and photorespiration. [4] The amide group of glutamate is a nitrogen source for the synthesis of glutamine pathway metabolites. [5] Other reactions may take place via GS.
In enzymology, a glutamine-pyruvate transaminase (EC 2.6.1.15) is an enzyme that catalyzes the chemical reaction. L-glutamine + pyruvate 2-oxoglutaramate + L-alanine. Thus, the two substrates of this enzyme are L-glutamine and pyruvate, whereas its two products are 2-oxoglutaramate and L-alanine.
Catalyzing enzyme: glutaminase (EC 3.5.1.2) 2. Glutamate can be excreted or can be further metabolized to α-ketoglutarate. For the conversion of glutamate to α-ketoglutarate three different reactions are possible: Catalyzing enzymes: glutamate dehydrogenase (GlDH), EC 1.4.1.2
In enzymology, a NAD + synthase (glutamine-hydrolysing) (EC 6.3.5.1) is an enzyme that catalyzes the chemical reaction. ATP + deamido-NAD + + L-glutamine + H 2 O AMP + diphosphate + NAD + + L-glutamate. In eukaryotes, this enzyme contains a glutaminase domain related to nitrilase. [1]
QVC is recalling about 1.1 million pairs of its Temp-tations Oven Gloves over a burn hazard, according to the U.S. Consumer Product Safety Commission.
In enzymology, a protein-glutamine glutaminase (EC 3.5.1.44) is an enzyme that catalyzes the chemical reaction. protein L-glutamine + H 2 O protein L-glutamate + NH 3. Thus, the two substrates of this enzyme are protein L-glutamine and H 2 O, whereas its two products are protein L-glutamate and NH 3.