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Arginine is the amino acid with the formula (H 2 N)(HN)CN(H)(CH 2) 3 CH(NH 2)CO 2 H. The molecule features a guanidino group appended to a standard amino acid framework. At physiological pH, the carboxylic acid is deprotonated (−CO 2 − ) and both the amino and guanidino groups are protonated, resulting in a cation.
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]
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 ...
Arginylglycylaspartic acid (RGD) is the most common peptide motif responsible for cell adhesion to the extracellular matrix (ECM), found in species ranging from Drosophila to humans.
Central diabetes insipidus, recently renamed arginine vasopressin deficiency (AVP-D), [1] is a form of diabetes insipidus that is due to a lack of vasopressin (ADH) production in the brain. Vasopressin acts to increase the volume of blood (intravascularly), and decrease the volume of urine produced.
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.
Methylated arginine is a modified version of arginine that is commonly formed from protein arginine (arginine incorporated in protein). Asymmetrically methylated forms of arginine are toxic when released during protein turnover. The protein detoxification pathway eliminates free methylated-arginine derivatives from the cell.
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 ...