trp operon is a group of genes that are transcribed together, encoding the enzymes that produce the amino acid tryptophan in bacteria. The trp operon...

inhibited by a chemical (tryptophan). This operon contains five structural genes: trp E, trp D, trp C, trp B, and trp A, which encodes tryptophan synthetase...

pathway in bacteria. There are 5 operons which are regulated by trpR: the trpEDCBA, trpR, AroH, AroL, and mtr operons. When the amino acid tryptophan is...

textbooks, is ribosome-mediated attenuation of the trp operon. Ribosome-mediated attenuation of the trp operon relies on the fact that, in bacteria, transcription...

the operon. At least 6 different amino acid operons are known to be regulated by this attenuation. The formation of the terminator requires the trp RNA-binding...

example of a cis-acting regulatory sequence is the operator in the lac operon. This DNA sequence is bound by the lac repressor, which, in turn, prevents...

DNA promoter, produced from the combination of promoters from the trp and lac operons. It is commonly used for protein production in Escherichia coli....

Promoter Pribnow box TATA box Operon gal operon lac operon trp operon Intron Exon Terminator Enhancer Repressor lac repressor trp repressor Silencer Histone...

induced by arabinose. Operon Catabolism Catabolite repression Other operon systems in E. coli: gal operon gab operon lac operon trp operon Voet, Donald; Voet...

prokaryotic Operon lac operon trp operon gab operon Gua Operon ara operon gal operon Repressor lac repressor trp repressor eukaryotic both Transcription...

Promoter Pribnow box TATA box Operon gal operon lac operon trp operon Intron Exon Terminator Enhancer Repressor lac repressor trp repressor Silencer Histone...

Promoter Pribnow box TATA box Operon gal operon lac operon trp operon Intron Exon Terminator Enhancer Repressor lac repressor trp repressor Silencer Histone...

discovered in Acinetobacter baylyi, and is located between the trpS and sucD genes. TrpS encodes tryptophanyl-tRNA-synthetase II and sucD encodes succinyl-coA-synthetase...

regulating tryptophan genes in Pseudomonadota (see trp operon), but not in Bacteroidota. However, the Bacteroid-trp RNA motif likely operates via the same mechanism...

termed an aporepressor or inactive repressor. One type of aporepressor is the trp repressor, an important metabolic protein in bacteria. The above mechanism...

been shown to lower the operon expression, and which is already involved in the attenuation of the Trp, His and S10 operons. Naville, M; Gautheret, D...

PMC 11138846. PMID 12785719. Hames, B.D.; Hooper, N.M. (2004-08-02), "G4 The Trp Operon", Instant Notes Biochemistry, Taylor & Francis, pp. 177–180, ISBN 978-0-203-64527-7...

products of trpE and trpG. trpE encodes the first subunit, which binds to chorismate and moves the amino group from the donor to chorismate. trpG encodes...

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...

acids core peptide derived from a longer precursor, with unusual Trp-1 to Trp-3 and Trp-3 to Lys-5 (or Arg-5, in variant forms) crosslinks. The key enzyme...

early in evolution the trpB2 gene was duplicated. One copy entered the trp operon as trpB2i allowing for its expression with trpA. TrpB2i formed transient...

prokaryotes with operons as the organization of genes in an operon is generally related to function. For instance, the trpA and trpB genes in Escherichia...

known to be involved in binding the zinc ions: 5 His, 2 Asp, 1 Glu and 1 Trp. These residues are all conserved in the Clostridium alpha-toxin. Some examples...

lac operon and the T7 promoter. Other strong promoters used include Trp promoter and Tac-Promoter, which are a hybrid of both the Trp and Lac Operon promoters...

"An apparent Bacillus subtilis folic acid biosynthetic operon containing pab, an amphibolic trpG gene, a third gene required for synthesis of para-aminobenzoic...

polymerase pausing and termination participates in the Bacillus subtilis trp operon attenuation mechanism in vitro. Proc. Natl. Acad. Sci. USA. 99:11067-11072...

(2004), "The different roles of tryptophan transfer RNA in regulating trp operon expression in E. coli versus B. subtilis", Trends Genet., vol. 20, no...

Transversion Trihybrid Triplet Triplet code Triploid Trisomic Trisomy Tritium tRNA Trp True heritability True speciation Truncation selection Tumour Tumour virus...

repressor (TrpR) is only able to bind to DNA and repress transcription of the trp operon when its corepressor tryptophan is bound to it. TrpR in the absence...

Yanofsky, Charles (1975-02-15). "Interaction of the trp repressor and RNA polymerase with the trp operon". Journal of Molecular Biology. 92 (1): 93–111. doi:10...