Tryptophan (symbol 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...
46 KB (4,555 words) - 17:25, 29 July 2024
Tryptophan synthase or tryptophan synthetase is an enzyme (EC 4.2.1.20) that catalyzes the final two steps in the biosynthesis of tryptophan. It is commonly...
14 KB (1,672 words) - 18:42, 3 July 2024
Tryptophan repressor (or trp repressor) is a transcription factor involved in controlling amino acid metabolism. It has been best studied in Escherichia...
7 KB (759 words) - 00:04, 15 February 2023
5-Hydroxytryptophan (redirect from 5-hydroxy-tryptophan)
5-HTP is produced from the amino acid tryptophan through the action of the enzyme tryptophan hydroxylase. Tryptophan hydroxylase is one of the biopterin-dependent...
32 KB (3,396 words) - 20:01, 14 August 2024
ingestion of the dietary supplement L-tryptophan. The risk of developing EMS increases with larger doses of tryptophan and increasing age. Some research suggests...
26 KB (2,968 words) - 14:37, 2 September 2024
Fluorescence spectroscopy (redirect from Tryptophan fluorescence spectroscopy)
In addition, tryptophan is a relatively rare amino acid; many proteins contain only one or a few tryptophan residues. Therefore, tryptophan fluorescence...
22 KB (2,841 words) - 16:12, 30 April 2024
Trp operon (redirect from Tryptophan operon)
bacteria. The operon is regulated so that, when tryptophan is present in the environment, the genes for tryptophan synthesis are repressed. The trp operon contains...
21 KB (2,606 words) - 07:48, 3 June 2024
Tryptophan hydroxylase (TPH) is an enzyme (EC 1.14.16.4) involved in the synthesis of the monoamine neurotransmitter serotonin. Tyrosine hydroxylase, phenylalanine...
9 KB (810 words) - 23:39, 12 October 2023
In enzymology, a tryptophan transaminase (EC 2.6.1.27) is an enzyme that catalyzes the chemical reaction L-tryptophan + 2-oxoglutarate ⇌ {\displaystyle...
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or placenta. In humans is encoded by the IDO1 gene. IDO is involved in tryptophan metabolism. It is one of three enzymes that catalyze the first and rate-limiting...
17 KB (1,976 words) - 03:43, 25 May 2024