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The metabolism of amino acids provides a balanced supply of amino acids for protein synthesis. In the fasting state, the catabolism of amino acids derived from the breakdown of skeletal muscle protein and other sources is coupled to the processes of gluconeogenesis and ketogenesis to meet the body’s energy needs in the absence of dietary ...
Amino acid biosynthesis is the set of biochemical processes (metabolic pathways) by which the amino acids are produced. The substrates for these processes are various compounds in the organism 's diet or growth media.
The Amino Acid Metabolism page details the synthesis and breakdown of amino acids and diseases due to defects in these processes.
Synthetic reactions for amino acids: Serine, Glycine, Tyrosine, and Cysteine. The synthesis of serine begins with the metabolic intermediate 3-phosphoglycerate (glycolysis). Phosphoglycerate dehydrogenase oxidizes it to 3-phosphohydroxypyruvate.
Amino acid biosynthesis. Page ID. Tim Soderberg. University of Minnesota Morris. Sections/problems listed with an asterisk (*) do not discuss the exact reaction indicated, but do discuss a closely related reaction.
Most amino acids are synthesized from α-ketoacids or α-hydroxy acids (3-phosphoglycerate), and later transaminated from another amino acid (usually glutamate). The enzyme involved in this reaction is an aminotransferase.
Certain amino acids — such as citrulline and ornithine, which are intermediates in urea biosynthesis — are important intermediaries in various pathways involving nitrogenous metabolism.
All amino acids are synthesized from intermediates in glycolysis, the citric acid cycle, or the pentose phosphate pathway. Amino acid synthesis depends on the formation of the appropriate alpha-keto acid, which is then transaminated to form an amino acid.
This map presents a modular architecture of the biosynthesis pathways of twenty amino acids, which may be viewed as consisting of the core part and its extensions.
Amino Acids Biosynthesis presents the current knowledge of fundamental as well as applied microbiology of amino acids. Topics discussed are the amino acid biosynthetic pathways, their genetic and biochemical regulation, transport of amino acids and genomics of producing microorganisms.