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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.
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.
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 ...
This sequence is divided into three separate domains: an arginine-rich domain for DNA binding flanked by shorter peptide sequences containing mostly cysteine residues. The arginine-rich domain consists of 3-11 arginine residues and is conserved between fish protamine and mammalian protamine 1 sequences at about 60-80% sequence identity. [1]
Protein detoxification is the process by which proteins containing methylated arginine are broken down and removed from the body. Arginine (Arg) is a non-essential amino acid and one of the most commonly occurring natural amino acids. Methylated arginine is a modified version of arginine that is commonly formed from protein arginine (arginine ...
A U.K. woman who was told she would never have children because of a rare condition recently gave birth to twins. When Hayley Haynes was 19, she went to the doctor because she hadn't gotten her ...
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]