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A pyridoxal-phosphate protein. The α-subunit catalyses the conversion of 1-C-(indol-3-yl)glycerol 3-phosphate to indole and D-glyceraldehyde 3-phosphate (this reaction was included formerly under EC 4.1.2.8). The indole migrates to the β-subunit where, in the presence of pyridoxal 5'-phosphate, it is combined with L-serine to form L-tryptophan. In some organisms this enzyme is part of a multifunctional protein that also includes one or more of the enzymes EC 2.4.2.18 (anthranilate phosphoribosyltransferase), EC 4.1.1.48 (indole-3-glycerol-phosphate synthase), EC 4.1.3.27 (anthranilate synthase) and EC 5.3.1.24 (phosphoribosylanthranilate isomerase). In thermophilic organ...indoleglycerol-phosphate); L-serine hydro-lyase [adding 1-C-(indol-3-yl)glycerol 3-phosphate, L-tryptophan and glyceraldehyde-3-phosphate-forming]. Enzyme Commission Number: EC 4.2.1.20. CAS No. 9014-52-2. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-5014; tryptophan synthase; EC 4.2.1.20; 9014-52-2; L-tryptophan synthetase; indoleglycerol phosphate aldolase; tryptophan desmolase; tryptophan synthetase; L-serine hydro-lyase (adding indoleglycerol-phosphate); L-serine hydro-lyase [adding 1-C-(indol-3-yl)glycerol 3-phosphate, L-tryptophan and glyceraldehyde-3-phosphate-forming]. Cat No: EXWM-5014.
tryptophan synthase (indole-salvaging)
Most mesophilic bacteria have a multimeric tryptophan synthase complex (EC 4.2.1.20) that forms L-tryptophan from L-serine and 1-C-(indol-3-yl)glycerol 3-phosphate via an indole intermediate. This intermediate, which is formed by the α subunits, is transferred in an internal tunnel to the β units, which convert it to tryptophan. In thermophilic organisms the high temperature enhances diffusion and causes the loss of indole. This enzyme, which does not combine with the α unit to form a complex, salvages the lost indole back to L-tryptophan. It has a much lower Km for indole than the β subunit of EC 4.2.1.20. Group: Enzymes. Synonyms: tryptophan synthase β2. Enzyme Commission Number: EC 4.2.1.122. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-4963; tryptophan synthase (indole-salvaging); EC 4.2.1.122; tryptophan synthase β2. Cat No: EXWM-4963.
4-dimethylallyltryptophan synthase
This enzyme belongs to the family of transferases, specifically those transferring aryl or alkyl groups other than methyl groups. Group: Enzymes. Synonyms: dimethylallylpyrophosphate:L-tryptophan dimethylallyltransferase; dimethylallyltryptophan synthetase; dimethylallylpyrophosphate: tryptophan dimethylallyl transferase; DMAT synthetase; 4-(γ,γ-dimethylallyl)tryptophan synthase; tryptophan dimethylallyltransferase. Enzyme Commission Number: EC 2.5.1.34. CAS No. 55127-01-0. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-2771; 4-dimethylallyltryptophan synthase; EC 2.5.1.34; 55127-01-0; dimethylallylpyrophosphate:L-tryptophan dimethylallyltransferase; dimethylallyltryptophan synthetase; dimethylallylpyrophosphate: tryptophan dimethylallyl transferase; DMAT synthetase; 4-(γ,γ-dimethylallyl)tryptophan synthase; tryptophan dimethylallyltransferase. Cat No: EXWM-2771.
2-amino-4-deoxychorismate synthase
Requires Mg2+. The reaction occurs in the reverse direction to that shown above. In contrast to most anthranilate-synthase I (ASI) homologues, this enzyme is not inhibited by tryptophan. In Streptomyces globisporus, the sequential action of this enzyme and EC 1.3.99.24, 2-amino-4-deoxychorismate dehydrogenase, leads to the formation of the benzoxazolinate moiety of the enediyne antitumour antibiotic C-1027.In certain Pseudomonads the enzyme participates in the biosynthesis of phenazine, a precursor for several compounds with antibiotic activity. Group: Enzymes. Synonyms: ADIC synthase; 2-amino-2-deoxyisochorismate synthase;SgcD. Enzyme Commission Number: EC 2.6.1.86. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-2927; 2-amino-4-deoxychorismate synthase; EC 2.6.1.86; ADIC synthase; 2-amino-2-deoxyisochorismate synthase;SgcD. Cat No: EXWM-2927.
3-deoxy-7-phosphoheptulonate synthase
3-Deoxy-D-arabinoheptulosonate 7-phosphate (DAHP) synthase (EC 2.5.1.54) is the first enzyme in a series of metabolic reactions known as the shikimate pathway, which is responsible for the biosynthesis of the amino acids phenylalanine, tyrosine, and tryptophan. Group: Enzymes. Synonyms: 2-dehydro-3-deoxy-phosphoheptonate aldolase; 2-keto-3-deoxy-D-arabino-heptonic acid 7-phosphate synthetase; 3-deoxy-D-arabino-2-heptulosonic acid 7-phosphate synthetase; 3-deoxy-D-arabino-heptolosonate-7-phosphate synthetase; 3-deoxy-D-arabino-heptulosonate 7-phosphate synthetase; 7-p. Enzyme Commission Number: EC 2.5.1.54. CAS No. 9026-94-2. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-2791; 3-deoxy-7-phosphoheptulonate synthase; EC 2.5.1.54; 9026-94-2; 2-dehydro-3-deoxy-phosphoheptonate aldolase; 2-keto-3-deoxy-D-arabino-heptonic acid 7-phosphate synthetase; 3-deoxy-D-arabino-2-heptulosonic acid 7-phosphate synthetase; 3-deoxy-D-arabino-heptolosonate-7-phosphate synthetase; 3-deoxy-D-arabino-heptulosonate 7-phosphate synthetase; 7-phospho-2-keto-3-deoxy-D-arabino-heptonate D-erythrose-4-phosphate lyase (pyruvate-phosphorylating); 7-phospho-2-dehydro-3-deoxy-D-arabino-heptonate D-erythrose-4-phosphate lyase (pyruvate-phosphorylating); D-erythrose-4-phosphate-lyase; D-ery
(6R)-Tetrahydro-L-biopterin-d3 Sulfate(Mixture of Diastereomers)
(6R)-Tetrahydro-L-biopterin-d3 Sulfate(Mixture of Diastereomers) is the labeled R-enantiomer of Tetrahydro-L-biopterin. It is a natural cofactor for phenylalanine hydroxylase, tryptophan hydroxylase, tyrosine hydroxylase, and nitric oxide synthase. An essential cofactor for the production of neurotransmitters such as catecholamines, serotonin, and nitric oxide. Increasing BH4 levels boosts sensitivity to pain. Applications: A natural cofactor for phenylalanine hydroxylase. Group: Coenzymes. CAS No. 103130-44-5 (unlabeled). Mole weight: 342.34. (6R)-Tetrahydro-L-biopterin-d3 Sulfate(Mixture of Diastereomers); 103130-44-5 (unlabeled). Cat No: COEC-090.
(6R)-Tetrahydro-L-biopterin Sulfate
(6R)-Tetrahydro-L-biopterin Sulfate is a natural cofactor for tyrosine hydroxylase, phenylalanine hydroxylase, tryptophan hydroxylase, and nitric oxide synthase. It is also an essential cofactor in the the production of neurotransmitters such as catecholamines, serotonin, and nitric oxide. Applications: An essential cofactor in the the production of neurotransmitters. Group: Coenzymes. CAS No. 103130-44-5. Mole weight: 339.33. Form: Solid. (6R)-Tetrahydro-L-biopterin Sulfate; 103130-44-5. Cat No: COEC-074.
7-Azido-4-methylcoumarin (AzMC)
Highly sensitive and selective fluorogenic H2S probe. The aromatic azide moiety of AzMC is selectively reduced in the presence of H2S, producing the fluorescent 7-amino-4- methylcoumarin (AMC) with a concomitant increase in fluorescence with lambdaex=365nm and lambdaem=450nm. Photoaffinity labeling probe for the substrate binding site of human sulfotransferase 1A1 (SULT1A1). Probe to monitor the enzymatic production of H2S in vitro and to visualize H2S in living cells. Tool for monitoring the activity of pyridoxal-5'-phosphate (PLP)-dependent enzymes (e.g. cystathionine beta-synthase (CBS), cystathionine gamma-lyase (CGL) and tryptophan synthase (TS)). Tool to identify novel cystathionine beta-synthase (CBS) inhibitors and activators. Suitable for high-throughput screening. Use of this product with DTT, TCEP and/or biological thiols at concentrations of >25mM should be avoided for maximum efficiency. Group: Biochemicals. Grades: Highly Purified. CAS No. 95633-27-5. Pack Sizes: 1mg, 5mg. US Biological Life Sciences.
Worldwide
anthranilate phosphoribosyltransferase
In some organisms, this enzyme is part of a multifunctional protein together with one or more other components of the system for biosynthesis of tryptophan [EC 4.1.1.48 (indole-3-glycerol-phosphate synthase), EC 4.1.3.27 (anthranilate synthase), EC 4.2.1.20 (tryptophan synthase) and EC 5.3.1.24 (phosphoribosylanthranilate isomerase)]. Group: Enzymes. Synonyms: phosphoribosyl-anthranilate pyrophosphorylase; PRT; anthranilate 5-phosphoribosylpyrophosphate phosphoribosyltransferase; anthranilate phosphoribosylpyrophosphate phosphoribosyltransferase; phosphoribosylanthranilate pyrophosphorylase; phosphoribosylanthranilate transferase; anthranilate-PP-ribose-P phosphoribosyltransferase. Enzyme Commission Number: EC 2.4.2.18. CAS No. 9059-35-2. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-2645; anthranilate phosphoribosyltransferase; EC 2.4.2.18; 9059-35-2; phosphoribosyl-anthranilate pyrophosphorylase; PRT; anthranilate 5-phosphoribosylpyrophosphate phosphoribosyltransferase; anthranilate phosphoribosylpyrophosphate phosphoribosyltransferase; phosphoribosylanthranilate pyrophosphorylase; phosphoribosylanthranilate transferase; anthranilate-PP-ribose-P phosphoribosyltransferase. Cat No: EXWM-2645.
anthranilate synthase
In some organisms, this enzyme is part of a multifunctional protein, together with one or more other components of the system for the biosynthesis of tryptophan [EC 2.4.2.18 (anthranilate phosphoribosyltransferase ), EC 4.1.1.48 (indole-3-glycerol-phosphate synthase), EC 4.2.1.20 (tryptophan synthase) and EC 5.3.1.24 (phosphoribosylanthranilate isomerase)]. The native enzyme in the complex uses either glutamine or, less efficiently, NH3. The enzyme separated from the complex uses NH3 only. Group: Enzymes. Synonyms: anthranilate synthetase; chorismate lyase; chorismate pyruvate-lyase (amino-accepting); TrpE. Enzyme Commission Number: EC 4.1.3.27. CAS No. 9031-59-8. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-4907; anthranilate synthase; EC 4.1.3.27; 9031-59-8; anthranilate synthetase; chorismate lyase; chorismate pyruvate-lyase (amino-accepting); TrpE. Cat No: EXWM-4907.
dichlorochromopyrrolate synthase
This enzyme catalyses a step in the biosynthesis of rebeccamycin, an indolocarbazole alkaloid produced by the bacterium Lechevalieria aerocolonigenes. The enzyme is a dimeric heme-protein oxidase that catalyses the oxidative dimerization of two L-tryptophan-derived molecules to form dichlorochromopyrrolic acid, the precursor for the fused six-ring indolocarbazole scaffold of rebeccamycin. Contains one molecule of heme b per monomer, as well as non-heme iron that is not part of an iron-sulfur center. In vivo the enzyme uses hydrogen peroxide, formed by the enzyme upstream in the biosynthetic pathway (EC 1.4.3.23, 7-chloro-L-tryptophan oxidase) as the electron acceptor. However, the enzyme is also able to catalyse the reaction using molecular oxygen. Group: Enzymes. Synonyms: RebD; chromopyrrolic acid synthase; chromopyrrolate synthase. Enzyme Commission Number: EC 1.21.98.2. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-1261; dichlorochromopyrrolate synthase; EC 1.21.98.2; RebD; chromopyrrolic acid synthase; chromopyrrolate synthase. Cat No: EXWM-1261.
Glyphosate
Glyphosate, a non-selective systemic biocide with broad-spectrum activity, is an herbicidal derivative of the amino acid glycine. Glyphosate inhibits the enzymatic activity of the 5-endopyruvylshikimate 3-phosphate synthase (EPSPS) in the shikimic acid pathway, preventing the synthesis of the aromatic amino acids tyrosine, phenylalanine, and tryptophan. Glyphosate induces oxidative stress, neuroinflammation, and mitochondrial dysfunction, processes that lead to neuronal death by autophagia , necrosis , or apoptosis , as well as the appearance of behavioral and motor disorders [1] [2] [3]. Uses: Scientific research. Group: Natural products. CAS No. 1071-83-6. Pack Sizes: 10 mM * 1 mL; 500 mg. Product ID: HY-B0863.
indole-3-glycerol-phosphate lyase
Forms part of the defence mechanism against insects and microbial pathogens in the grass family, Gramineae, where it catalyses the first committed step in the formation of the cyclic hydroxamic acids 2,4-dihydroxy-2H-1,4-benzoxazin-3(4H)-one (DIBOA) and 2,4-dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one (DIMBOA). This enzyme resembles the α-subunit of EC 4.2.1.20, tryptophan synthase, for which, (1S,2R)-1-C-(indol-3-yl)glycerol 3-phosphate is also a substrate, but, unlike tryptophan synthase, its activity is independent of the β-subunit and free indole is released. Group: Enzymes. Synonyms: tryptophan synthase α; TSA; indoleglycerolphosphate aldolase; indole glycerol phosphate hydrolase; indole synthase; indole-3-glycerolphosphate D-glyceraldehyde-3-pho. Enzyme Commission Number: EC 4.1.2.8. CAS No. 9014-52-2. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-4896; indole-3-glycerol-phosphate lyase; EC 4.1.2.8; 9014-52-2; tryptophan synthase α; TSA; indoleglycerolphosphate aldolase; indole glycerol phosphate hydrolase; indole synthase; indole-3-glycerolphosphate D-glyceraldehyde-3-phosphate-lyase; indole-3-glycerol phosphate lyase; IGL; BX1; (1S,2R)-1-C-(indol-3-yl)glycerol 3-phosphate D-glyceraldehyde-3-phosphate-lyase. Cat No: EXWM-4896.
indole-3-glycerol-phosphate synthase
In some organisms, this enzyme is part of a multifunctional protein, together with one or more other components of the system for the biosynthesis of tryptophan [EC 2.4.2.18 (anthranilate phosphoribosyltransferase), EC 4.1.3.27 (anthranilate synthase), EC 4.2.1.20 (tryptophan synthase) and EC 5.3.1.24 (phosphoribosylanthranilate isomerase)]. Group: Enzymes. Synonyms: indoleglycerol phosphate synthetase; indoleglycerol phosphate synthase; indole-3-glycerophosphate synthase; 1-(2-carboxyphenylamino)-1-deoxy-D-ribulose-5-phosphate carboxy-lyase (cyclizing). Enzyme Commission Number: EC 4.1.1.48. CAS No. 9031-60-1. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-4793; indole-3-glycerol-phosphate synthase; EC 4.1.1.48; 9031-60-1; indoleglycerol phosphate synthetase; indoleglycerol phosphate synthase; indole-3-glycerophosphate synthase; 1-(2-carboxyphenylamino)-1-deoxy-D-ribulose-5-phosphate carboxy-lyase (cyclizing). Cat No: EXWM-4793.
phosphoribosylanthranilate isomerase
In some organisms, this enzyme is part of a multifunctional protein, together with one or more other components of the system for the biosynthesis of tryptophan [EC 2.4.2.18 (anthranilate phosphoribosyltransferase), EC 4.1.1.48 (indole-3-glycerol-phosphate synthase), EC 4.1.3.27 (anthranilate synthase) and EC 4.2.1.20 (tryptophan synthase)]. Group: Enzymes. Synonyms: PRA isomerase; PRAI; IGPS:PRAI (indole-3-glycerol-phosphate synthetase/N-5'-phosphoribosylanthranilate isomerase complex); N-(5-phospho-β-D-ribosyl)anthranilate ketol-isomerase. Enzyme Commission Number: EC 5.3.1.24. CAS No. 37259-82-8. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-5463; phosphoribosylanthranilate isomerase; EC 5.3.1.24; 37259-82-8; PRA isomerase; PRAI; IGPS:PRAI (indole-3-glycerol-phosphate synthetase/N-5'-phosphoribosylanthranilate isomerase complex); N-(5-phospho-β-D-ribosyl)anthranilate ketol-isomerase. Cat No: EXWM-5463.
Tetrahydrobiopterin (THB) dihydrochloride
Tetrahydrobiopterin (THB) dihydrochloride is an activating Nitric Oxide Synthase (NOS)cofactor used in a variety of applications. The compound is also a known cofactor for the monooxygenases that hydroxylates phenylalanine, tyrosine, and tryptophan. Synthesis of THB has been documented to be the rate limiting step in the metabolism of phenylalanine and the biosynthesis of neurotransmiter amines. In mice, Quinolinic acid (sc-203226) induced convulsions were potentiated with Tetrahydrobiopterin dihydrochloride demonstrating that endogenous NO may be involved in stimulating the NMDA receptors. When hypertensive mice were fed THB, but were not introduced to hydralazine or tetrahydroneopterin, they displayed improved cardiac THB stores, phosphorylated phospholamban levels, and diastolic dysfunction. The compound has also been observed as an essential cofactor in the hydroxylation process in mammalian brains. Applications: An activating nos cofactor. Group: Coenzymes. Synonyms: (6R)-5,6,7,8-Tetrahydro-L-biopterin dihydrochloride. CAS No. 69056-38-8. Purity: ≥98%. Mole weight: 314.17. Appearance: Powder. Form: Solid. (6R)-5,6,7,8-Tetrahydro-L-biopterin dihydrochloride; Tetrahydrobiopterin (THB) dihydrochloride; 69056-38-8. Cat No: COEC-024.
tryprostatin B synthase
The enzyme from the fungus Aspergillus fumigatus can also prenylate other tryptophan-containing cyclic dipeptides. Prenylation occurs mainly at C-2, but also at C-3. Involved in the biosynthetic pathways of several indole alkaloids such as tryprostatins, cyclotryprostatins, spirotryprostatins, fumitremorgins and verruculogen. Group: Enzymes. Synonyms: ftmPT1 (gene name); brevianamide F prenyltransferase (ambiguous). Enzyme Commission Number: EC 2.5.1.106. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-2722; tryprostatin B synthase; EC 2.5.1.106; ftmPT1 (gene name); brevianamide F prenyltransferase (ambiguous). Cat No: EXWM-2722.
tryptophan-tRNA ligase
This enzyme belongs to the family of ligases, to be specific those forming carbon-oxygen bonds in aminoacyl-tRNA and related compounds. This enzyme participates in tryptophan metabolism and aminoacyl-trna biosynthesis. Group: Enzymes. Synonyms: tryptophanyl-tRNA synthetase; L-tryptophan-tRNATrp ligase (AMP-forming); tryptophanyl-transfer ribonucleate synthetase; tryptophanyl-transfer ribonucleic acid synthetase; tryptophanyl-transfer RNA synthetase; tryptophanyl ribonucleic synthetase; tryptophanyl-transfer ribonucleic synthetase; tryptophanyl-tRNA synthase; tryptophan translase; TrpRS. Enzyme Commission Number: EC 6.1.1.2. CAS No. 9023-44-3. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-5651; tryptophan-tRNA ligase; EC 6.1.1.2; 9023-44-3; tryptophanyl-tRNA synthetase; L-tryptophan-tRNATrp ligase (AMP-forming); tryptophanyl-transfer ribonucleate synthetase; tryptophanyl-transfer ribonucleic acid synthetase; tryptophanyl-transfer RNA synthetase; tryptophanyl ribonucleic synthetase; tryptophanyl-transfer ribonucleic synthetase; tryptophanyl-tRNA synthase; tryptophan translase; TrpRS. Cat No: EXWM-5651.
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