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Only the l-arginine (symbol Arg or R) enantiomer is found naturally. [1] Arg residues are common components of proteins. It is encoded by the codons CGU, CGC, CGA, CGG, AGA, and AGG. [2] The guanidine group in arginine is the precursor for the biosynthesis of nitric oxide. [3] Like all amino acids, it is a white, water-soluble solid.
The second isozyme, Arginase II, has been implicated in the regulation of intracellular arginine/ornithine levels. It is located in mitochondria of several tissues in the body, with most abundance in the kidney and prostate. It may be found at lower levels in macrophages, lactating mammary glands, and brain. [5]
Argininemia is an autosomal recessive urea cycle disorder where a deficiency of the enzyme arginase causes a buildup of arginine and ammonia in the blood.Ammonia, which is formed when proteins are broken down in the body, is toxic if levels become too high; the nervous system is especially sensitive to the effects of excess ammonia.
Arginase catalyzes the hydrolysis of arginine to ornithine and urea.At least two isoforms of mammalian arginase exist (types I and II) which differ in their tissue distribution, subcellular localization, immunologic crossreactivity and physiologic function.
Parts-per-million cube of relative abundance by mass of elements in an average adult human body down to 1 ppm. About 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium ...
54140 Ensembl ENSG00000166148 ENSMUSG00000020123 UniProt P37288 Q62463 RefSeq (mRNA) NM_000706 NM_016847 RefSeq (protein) NP_000697 NP_058543 Location (UCSC) Chr 12: 63.14 – 63.15 Mb Chr 10: 122.28 – 122.29 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Vasopressin receptor 1A (V1AR), or arginine vasopressin receptor 1A (officially called AVPR1A) is one of the three major ...
Arginine and proline metabolism is one of the central pathways for the biosynthesis of the amino acids arginine and proline from glutamate. The pathways linking arginine, glutamate, and proline are bidirectional. Thus, the net utilization or production of these amino acids is highly dependent on cell type and developmental stage.
It is structurally equivalent to a one-methylene group-higher homolog of arginine and to the guanidino derivative of lysine. L -Homoarginine is the naturally-occurring enantiomer . Physiologically , homoarginine increases nitric oxide (NO) supply and betters endothelial functions in the body, with a particular correlation and effect towards ...