• Thumbnail for Aromatic amino acid
    An aromatic amino acid is an amino acid that includes an aromatic ring. Among the 20 standard amino acids, histidine, phenylalanine, tryptophan, tyrosine...
    11 KB (1,066 words) - 00:48, 10 September 2024
  • Thumbnail for Aromatic L-amino acid decarboxylase
    Aromatic L-amino acid decarboxylase (AADC or AAAD), also known as DOPA decarboxylase (DDC), tryptophan decarboxylase, and 5-hydroxytryptophan decarboxylase...
    17 KB (1,946 words) - 05:24, 16 September 2024
  • An essential amino acid, or indispensable amino acid, is an amino acid that cannot be synthesized from scratch by the organism fast enough to supply its...
    27 KB (2,690 words) - 10:20, 3 September 2024
  • Aromatic L-amino acid decarboxylase deficiency, also known as AADC deficiency, is a rare genetic disorder caused by mutations in the DDC gene, which encodes...
    9 KB (742 words) - 23:55, 16 September 2024
  • Thumbnail for Branched-chain amino acid
    Lastly, BCAAs share the same transport protein into the brain with aromatic amino acids (Trp, Tyr, and Phe). Once in the brain BCAAs may have a role in protein...
    29 KB (3,420 words) - 20:54, 29 August 2024
  • bacteria, fungi, algae, parasites, and plants for the biosynthesis of aromatic amino acids (phenylalanine, tyrosine, and tryptophan). This pathway is not found...
    12 KB (1,163 words) - 14:21, 2 October 2024
  • Thumbnail for Phenylalanine
    Phenylalanine (symbol Phe or F) is an essential α-amino acid with the formula C 9H 11NO 2. It can be viewed as a benzyl group substituted for the methyl...
    28 KB (2,386 words) - 21:26, 25 July 2024
  • Thumbnail for Biopterin-dependent aromatic amino acid hydroxylase
    Biopterin-dependent aromatic amino acid hydroxylases (AAAH) are a family of aromatic amino acid hydroxylase enzymes which includes phenylalanine 4-hydroxylase...
    4 KB (455 words) - 02:27, 22 August 2021
  • organic carboxylic acid function (C6-C1 skeleton). Aromatic amino acids "Carboxylic acid - Aromatic, Organic, Reactions | Britannica". www.britannica.com....
    799 bytes (67 words) - 04:07, 5 April 2024
  • enzymology, an aromatic-amino-acid transaminase (EC 2.6.1.57) is an enzyme that catalyzes the chemical reaction an aromatic amino acid + 2-oxoglutarate...
    2 KB (201 words) - 14:24, 22 September 2024
  • Thumbnail for Aromatic L-amino acid decarboxylase inhibitor
    An aromatic L-amino acid decarboxylase inhibitor (synonyms: DOPA decarboxylase inhibitor, extracerebral decarboxylase inhibitor, DDCI and AAADI) is a...
    4 KB (392 words) - 15:59, 16 October 2024
  • Thumbnail for Tyrosine
    one of the 20 standard amino acids that are used by cells to synthesize proteins. It is a conditionally essential amino acid with a polar side group...
    26 KB (2,535 words) - 10:13, 21 October 2024
  • Thumbnail for 5-Hydroxytryptophan
    to 5-HT by amino acid decarboxylase. 5-HTP is decarboxylated to serotonin (5-hydroxytryptamine or 5-HT) by the enzyme aromatic-L-amino-acid decarboxylase...
    14 KB (1,268 words) - 07:33, 8 October 2024
  • Thumbnail for Amino acid
    Amino acids are organic compounds that contain both amino and carboxylic acid functional groups. Although over 500 amino acids exist in nature, by far...
    98 KB (10,151 words) - 03:53, 21 October 2024
  • Thumbnail for Chorismic acid
    precursor for: The aromatic amino acids phenylalanine, tryptophan, and tyrosine Indole, indole derivatives and tryptophan 2,3-Dihydroxybenzoic acid (DHB) used...
    4 KB (278 words) - 03:05, 24 February 2023
  • Thumbnail for Proteinogenic amino acid
    Proteinogenic amino acids are amino acids that are incorporated biosynthetically into proteins during translation. The word "proteinogenic" means "protein...
    38 KB (1,631 words) - 14:51, 30 August 2024
  • enzymology, an aromatic-amino-acid-glyoxylate transaminase (EC 2.6.1.60) is an enzyme that catalyzes the chemical reaction an aromatic amino acid + glyoxylate...
    1 KB (121 words) - 13:12, 26 August 2023
  • Thumbnail for Tryptophan
    Trp or W) is an α-amino acid that is used in the biosynthesis of proteins. Tryptophan contains an α-amino group, an α-carboxylic acid group, and a side...
    52 KB (5,315 words) - 22:39, 7 October 2024
  • Thumbnail for Histidine
    (symbol His or H) is an essential amino acid that is used in the biosynthesis of proteins. It contains an α-amino group (which is in the protonated –NH3+...
    24 KB (2,533 words) - 17:14, 12 October 2024
  • Thumbnail for Amino acid synthesis
    Amino acid biosynthesis is the set of biochemical processes (metabolic pathways) by which the amino acids are produced. The substrates for these processes...
    31 KB (3,929 words) - 13:49, 28 June 2024
  • Thumbnail for Natural product
    production of aromatic amino acids and their derivatives in plants, fungi, bacteria, and some protozoans:: Ch. 4  Shikimate pathway → aromatic amino acids and phenylpropanoids...
    117 KB (12,419 words) - 18:47, 17 November 2024
  • Thumbnail for Phenylalanine hydroxylase
    of the aromatic side-chain of phenylalanine to generate tyrosine. PAH is one of three members of the biopterin-dependent aromatic amino acid hydroxylases...
    31 KB (3,687 words) - 05:50, 12 August 2024
  • biochemical processes responsible for the synthesis of proteins and amino acids (anabolism), and the breakdown of proteins by catabolism. The steps of...
    27 KB (2,828 words) - 23:11, 3 November 2024
  • Thumbnail for Monoamine neurotransmitter
    monoamines are derived from aromatic amino acids like phenylalanine, tyrosine, and tryptophan by the action of aromatic amino acid decarboxylase enzymes. They...
    7 KB (1,409 words) - 21:17, 11 March 2024
  • Thumbnail for Shikimate pathway
    some protozoans, and plants for the biosynthesis of folates and aromatic amino acids (tryptophan, phenylalanine, and tyrosine). This pathway is not found...
    5 KB (479 words) - 09:18, 2 June 2024
  • Thumbnail for Aspartate transaminase
    the aspCgene and has also been shown to exhibit the activity of an aromatic-amino-acid transaminase (EC 2.6.1.57). X-ray crystallography studies have been...
    19 KB (2,115 words) - 13:27, 22 July 2023
  • Thumbnail for Tyrosine hydroxylase
    hydroxylase and tryptophan hydroxylase together make up the family of aromatic amino acid hydroxylases (AAAHs). Tyrosine hydroxylase catalyzes the reaction...
    37 KB (4,405 words) - 16:27, 9 October 2024
  • Thumbnail for Aromaticity
    square configuration. Aromatic compounds play key roles in the biochemistry of all living things. The four aromatic amino acids histidine, phenylalanine...
    22 KB (2,764 words) - 20:37, 8 October 2024
  • Thumbnail for Methionine
    or M) (/mɪˈθaɪəniːn/) is an essential amino acid in humans. As the precursor of other non-essential amino acids such as cysteine and taurine, versatile...
    30 KB (3,080 words) - 18:02, 28 October 2024
  • Thumbnail for L-DOPA
    L-DOPA (category Aromatic amino acids)
    (adrenaline). Dopamine is formed by the decarboxylation of l-DOPA by aromatic l-amino acid decarboxylase (AADC). l-DOPA can be directly metabolized by catechol-O-methyl...
    16 KB (1,607 words) - 18:43, 31 October 2024