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In enzymology, a phosphate acetyltransferase (EC 2.3.1.8) is an enzyme that catalyzes the chemical reaction acetyl-CoA + phosphate ⇌ {\displaystyle \rightleftharpoons } CoA + acetyl phosphate The substrates of this enzyme are acetyl-CoA and phosphate , whereas its two products are CoA and acetyl phosphate .
Most hypophosphatemia occurs when phosphate leaves the circulation and enters the cells. Phosphate supplementation is often required in people who have undergone surgery and in chronically malnourished people. [1] Sodium phosphate and potassium phosphate can be administered intravenously or orally. Tablets combining the forms are also available.
An acetyltransferase (also referred to as a transacetylase) is any of a class of transferase enzymes that transfers an acetyl group in a reaction called acetylation.In biological organisms, post-translational modification of a protein via acetylation can profoundly transform its functionality by altering various properties like hydrophobicity, solubility, and surface attributes. [1]
Acetylcholine Acetylcholinesterase Acetylcholinesterase inhibition. Acetylcholinesterase inhibitors (AChEIs) also often called cholinesterase inhibitors, [1] inhibit the enzyme acetylcholinesterase from breaking down the neurotransmitter acetylcholine into choline and acetate, [2] thereby increasing both the level and duration of action of acetylcholine in the central nervous system, autonomic ...
Groups that are classified as phosphate acceptors include: alcohols, carboxy groups, nitrogenous groups, and phosphate groups. [29] Further constituents of this subclass of transferases are various kinases. A prominent kinase is cyclin-dependent kinase (or CDK), which comprises a sub-family of protein kinases.
N-Acetylglutamate synthase is an enzyme that serves as a replenisher of N-acetylglutamic acid to supplement any N-acetylglutamic acid lost by the cell through mitosis or degradation. NAGS synthesizes N -acetylglutamic acid by catalyzing the addition of an acetyl group from acetyl-coenzyme A to glutamate .
Pymol-generated image of E1 subunit of pyruvate dehydrogenase complex in E. Coli. The E1 subunit, called the pyruvate dehydrogenase subunit, is either a homodimer (comprising two “α” chains, e.g. in Escherichia coli) or a heterotetramer of two different chains (two “α” and two “β” chains).
In enzymology, glucosamine-phosphate N-acetyltransferase (GNA) (EC 2.3.1.4) is an enzyme that catalyzes the transfer of an acetyl group from acetyl-CoA to the primary amine in glucosamide-6-phosphate, generating a free CoA and N-acetyl-D-glucosamine-6-phosphate.