tryptophane


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Synonyms for tryptophane

an amino acid that occurs in proteins

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References in periodicals archive ?
Leucine and lysine was the most important proportions of the EAAs, and tryptophane is the minor one.
It can be described that the excess phosphate required for the production of protein and nucleic acids, prolongs the growth phase of the organism and during this phase amino acids e.g., tryptophane is used for the protein synthesis (Robbers et al., 1972; Weygand and Floss, 1963).
The inflammatory mediators seem to activate the widespread tryptophane catabolizing enzyme indoleamine 2,3-deoxygenase (IDO) leading to decreased synthesis of 5-HT.
The [log.sub.10][K.sub.1] values belong to equilibria related to the attachment of [H.sup.+] to the sulfur atom in the thiol group of cysteine esters, to the nitrogen atom in the indole ring of tryptophane, and to the phenolic oxygen group in tyrosine esters.
Previous studies have reported that the genus Rhizobium synthetizes indol acetic acid from several tryptophan isomers (DL and L) (Perrine et al., 2004) and reaches production levels up to 90.6 [micro]g x [mL.sup.-1] with tryptophan at 1% (Datta and Basu, 1997) and 267.5 [micro]g x [mL.sup.-1] with tryptophane at 4 % (De and Basu, 1996).
Conventional assays based on UV-Vis spectroscopy rely on absorbance by tryptophane and tyrosine residues with minor contribution from cysteine, and therefore have limited utility.
The World Health Organization established a model or ideal balance of the essential amino acids (isoleucine, leucine, lysine, methionine, cysteine, phenylalanine, tyrosine, threonine, tryptophane, and valine) in terms of milligrams of amino acid per gram of protein.
1996a with permission TABLE 2 KB220Z (SynaptaGenX[TM]) Ingredients * Gras Nutrients Neurotransmitter Pathway D-Phenylalanine Opioid Peptides L-Phenylalanine Dopamine L Tryptophane Serotonin L-Tyrosine Dopamine L-Glutamine GABA Chromium Serotonin Rhodiola rosea COMT and MOA Pyridoxine Enzyme catalyst * Reproduced from Chen et al.
It is possible that the method used to measure total phenols is compromised; for example, if an animal is excreting excess free aromatic amino acids such as tyrosine and tryptophane, the Folin-Ciocalteau method might overestimate phenol content (Folin and Ciocalteau 1927).
indole production; Ino, fermentation of inositol; LDC, lysine decarboxylase; Man, fermentation of mannitol; Nit, nitrate reduction; ODC, ornithine decarboxylase; ONPG, beta- galactosidase; Ox, cytochrome oxydase production; rRha, fermentation of rhamose; Sac, fermentation of saccharose; Sor, fermentation of sorbitol; TDA, tryptophane desaminase; Ure, urease production; VP, acetoin production.
To name some, vitamin B6 is the cofactor of the enzyme aromatic amino acid decarboxylase, which takes place in the synthesis of dopamine and serotonin, vitamin C is the cofactor of dopamine beta-hydroxylase, which converts dopamine to noradrenaline, and tetrahydrobiopterine is the cofactor of tyrosine and tryptophane hydroxylases, which take place in the synthesis of dopamine and serotonin, respectively (82,83).
The central building block is a pyrimidine core (A), which has been suggested to bind to a critical tryptophane (Trp56) residue of Rac1 (19).
Test Reaction Fermentation/oxidation Glucose + Mannitol + Sucrose + Amygdalin + Inositol - Sorbitol - Rhammose - Melibiose - Arabinose - Acetoin production (Voges Proskauer) - Lysine decarboxylase + Ornithine decarboxylase + Citrate utilization + Tryptophane deaminase + Indole production + Gelatinase + Oxidase + P-galactosidase - H2S production - Urease - Nitrate/Nitrite reduction - Martins, ML.