This preview shows page 3 - 5 out of 8 pages.. dihydroxyacetone phosphate + glyceraldehyde 3-phosphate-1.3 5 Dihydroxyacetone phosphate Triose phosphate isomerase glyceraldehyde 3-phosphate 2.5 6 Glyceraldehyde 3-phosphate + NAD Glyceraldehyde 3-phosphate dehydrogenase 1,3-bisphosphoglycerate + m + NADH + H+-1.7 phosphate + glyceraldehyde 3-phosphate-1.3 5 Beilstein/REAXYS Number 1708891 . Synthesis of phosphono analogues of dihydroxyacetone phosphate and glyceraldehyde 3-phosphate. Triose phosphate isomerase (TIM) is one of the best studied enzymes out there. Chicken orthologs of two of these have been found through DNA cloning experiments; the biochemical properties of the proteins they encode have not been determined (Burgess and Penhoet 1985; Meighan-Mantha and Tolan 1995). Dans la voie de la glycolyse l'aldolase catalyse la coupure d'un ose en C6 en 2 oses en C3 : D-fructose 1,6-diphosphate <=> D-glycéraldéhyde 3-phosphate + dihydroxyacétone phosphate La variation d'énergie libre standard de formation des deux trioses est de + 5,79 kcal/mol. Its primary source is dihydroxyacetone phosphate (DHAP) whose levels are partially controlled by glyceraldehyde-3-phosphate dehydrogenase (GAPDH). Bioorganic & Medicinal Chemistry 1999, 7 (7) , 1403-1412. Conclusions. La triose-phosphate isomérase (TPI) est une isomérase qui catalyse la réaction : . Dihydroxyacetone phosphate and glyceraldehyde-3-phosphate are intercoverted by. Notes. In cells expressing a triose kinase, the synthesis of DHAP from dihydroxyacetone is sufficient to activate mTORC1 even in the absence of glucose. the standard change in Gibbs free energy is ΔG° = 7.53 kJ/mol. In this reversible reaction, triose-phosphate isomerase converts dihydroxyacetone phosphate to D-glyceraldehyde 3-phosphate, which is the substrate for the next reaction. Glyceraldehyde 3-phosphate is the substrate for phosphoglycerate mutase. It is a phosphate ester of the 3-carbon sugar glyceraldehyde and has chemical formula C 3 H 7 O 6 P.. DHAP is the glycolytic metabolite along with glyceraldehyde 3- phosphate (GAP)14 that has the greatest fold-change between cells in high and low glucose. Uploaded By violaaa. All of the answers are correct. Bos taurus. glucose-6-phosphate fructose-6-phosphate Entry field with correct answer I only II only I, II I, III I, IV. School University of New South Wales; Course Title BIOC 2101; Type. Type. En effet, la dihydroxyacétone phosphate: Contribue, au même titre que le glycéraldéhyde 3-phosphate, à la synthèse de 2 molécules d'ATP et de 1 molécule de NAD+ réduite. Triosephosphate isomerase (TIM) is a perfectly evolved enzyme which very fast interconverts dihydroxyacetone phosphate and D: -glyceraldehyde-3-phosphate. Synthesis of phosphono analogues of dihydroxyacetone phosphate and glyceraldehyde 3-phosphate. Calculate ΔG for this reaction at 298 K when dihydroxyacetone phosphate] = 0.100 M and [glyceraldehyde-3-phosphate] = 0.00400 M. The constant R 8.3145 J/ (K-mol) Number k.J/ mol It is also used in the synthesis of sedoheptulose 1,7-bisphosphate and fructose 1,6-bisphosphate, both of which are used to reform ribulose 5-phosphate, the 'key' carbohydrate of the Calvin cycle. Empirical Formula (Hill Notation) C 3 H 5 Li 2 O 6 P . Tolan, DR, Burgess, DG, 7. Reaction [transition] Species. Thus, the net effect of the aldolase reaction is to yield two molecules of D-glyceraldehyde-3-phosphate from one molecule of fructose-l,6-bisphosphate. Molecular Weight 170.06 . This chapter elaborates the method for the enzymatic determination of dihydroxyacetone phosphate, fructose-1, 6-diphosphate, and D-glyceraldehyde-3-phosphate using glycerol-l-phosphate dehydrogenase, aldolase, and triosephosphate isomerase.The same indicator reaction can be used for the spectrophotometric determination of dihydroxyacetone phosphate, fructose diphosphate and glyceraldehyde … During the metabolism of glucose, glyceraldehyde 3-phosphate is converted to dihydroxyacetone phosphate by a process that involves two keto–enol tautomerizations. Glyceraldehyde 3-phosphate dehydrogenase (abbreviated GAPDH) (EC 1.2.1.12) is an enzyme of about 37kDa that catalyzes the sixth step of glycolysis and thus serves to break down glucose for energy and carbon molecules. The uncatalyzed rates of enolization of dihydroxyacetone phoshate and of glyceraldehyde 3-phosphate in neutral aqueous solution. SDS; T2391 ; Type III-S, ammonium sulfate suspension, ≥4,000 units/mg protein; Sigma-Aldrich pricing. Le glycéraldéhyde-3-phosphate, également appelé 3-phosphoglycéraldéhyde et couramment abrégé en G3P ou GAP (ou PGAL par les anglophones), est un composé organique intervenant de façon centrale dans plusieurs voies métaboliques de la plupart des êtres vivants. Cytosolic aldolase catalyzes the reversible reaction of dihydroxyacetone phosphate and glyceraldehyde 3-phosphate to form fructose 1,6-bisphosphate. *Response times vary by subject and question complexity. It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. Draw a stepwise mechanism for this reaction in the presence of acid. Pages 41. The Oxidation of Alcohols by Modified Oxochromium(VI)-Amine Reagents. NACRES NA.25 Dihydroxyacetone phosphate is a member of the class of glycerone phosphates that consists of glycerone bearing a single phospho substituent. Pay-off phase 2 C 1 C O OH H H 3 CH O PO 2-3 2 Glyceraldehyde-3 phosphate + P O O-HO O-Inorganic phosphate Oxidation of Glyceraldehyde 3-Phosphate to 1,3-Bisphosphoglycerate Glyceraldehyde 3-phosphate dehydrogenase 2 C 1 C O OH H O 3 CH O PO 2-3 2 1,3 Bisphosphoglycerate P O O-O-NAD + NADH + H + NAD + - Nicotinamide adenine dinucleotide, a coenzyme found in all living cells [transition], dihydroxyacetone phosphate + glyceraldehyde 3-phosphate <=> fructose 1,6-bisphosphate (Gallus gallus), Noncoordinate changes in the steady-state mRNA expressed from aldolase A and aldolase C genes during differentiation of chicken myoblasts, Characterization of the chicken aldolase B gene, fructose 1,6-bisphosphate <=> dihydroxyacetone phosphate + glyceraldehyde 3-phosphate (Gallus gallus), fructose-bisphosphate aldolase activity 15DHAP is a precursor for lipid synthesis, a process under the control of mTORC1, which provides a potential rationale for … In ALDO dox-off cells treated with doxycycline, glucose failed to activate mTORC1 … glyceraldehyde-3-phosphate and dihydroxyacetone phosphate glyceraldehyde-3-phosphate and dihydroxyacetone phosphate Question 19 Selected Answer: Correct Answer: What are the primary metabolic fates of pyruvate? Login. *Response times vary by subject and question complexity. Locations in … When dihydroxyacetone phosphate is directly converted to 1,3-bisphosphoglycerate the reaction of too exothermic When dihydroxyacetone phosphate is directly converted to 1,3-bisphosphoglycerate the reaction rate is too rapid. 1998,,, 1-221. Author information: (1)Groupe de Chimie Organique Biologique, UMR 5623, Université Paul Sabatier, Toulouse, France. Draw a mechanism for this interconversion using generic acid/base catalysts. DL-Glyceraldehyde 3-phosphate solution 45-55 mg/mL in H 2 O CAS Number 591-59-3. III. Glu167 is the catalytic base. In mammals, tissue-specific aldolase isozymes have been characterized. During glycolysis, the steps between glucose and … Dihydroxyacetone-3-phosphate and glyceraldehyde-3- phosphate are interconvertible. CH,OH CHO HC-OH ČH2OPO,2- ČHĄOPO,2- Synthesis of phosphono analogues of dihydroxyacetone phosphate and glyceraldehyde 3-phosphate. Isomerization of Dihydroxyacetone Phosphate to Glyceraldehyde 3-Phosphate. A pentose sugar is (A) Dihydroxyacetone (B) Ribulose, dihydroxyacetone phosphate and glyceraldehyde-3-phospate are interconverted by, Dihydroxyacetone phosphate and glyceraldehyde-3- phosphate are interconverted by, The standard free energy of hydrolysis of terminal phosphate group of ATP is, The enzymes involved in Phosphorylation of glucose to glucose 6- phosphate are. Empirical Formula (Hill Notation) C 3 H 7 O 6 P . Question: 1.10 The Conversion Of Fructose 1,6-bisphosphate To Glyceraldehyde 3-phosphate Plus Dihydroxyacetone Phosphate Is A Step In The Glycolysis Pathway For Degrading Carbohydrates. r the aqueous reaction CH2OH dihydroxyacetone phosphate 근 glyceraldehyde-3-phosphate the standard change in Gibbs free energy is ΔG°-7.53 kJ/mol. Cytosolic aldolase catalyzes the reversible reaction of dihydroxyacetone phosphate and glyceraldehyde 3-phosphate to form fructose 1,6-bisphosphate. It is rapidly and reversibly isomerised to glyceraldehyde 3-phosphate. Meighan-Mantha, RL, glyceraldehyde 3 phosphate dehydrogenases. The quantitative assessment of the effectiveness of an enzyme catalyst. cytosol. 33 views. Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) dehydrogenates and adds an inorganic phosphate to glyceraldehyde 3-phosphate, producing 1,3-bisphosphoglycerate. Dihydroxyacetone phosphate glyceraldehyde 3 phosphate. Draw a stepwise mechanism for this reaction in the presence of acid. It has a role as a human metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a mouse metabolite. In glycolysis, it can be derived from fructose 1,6-bisphosphate by fructose bisphosphate aldolase in a reaction that also produces dihydroxyacetone phosphate (DHAP). Abstract Triose phosphate isomerase (TPI) catalyses the interconversion of dihydroxyacetone phosphate and glyceraldehyde 3-phosphate, a reaction in the glycolytic pathway. Fructose-bisphosphate aldolase, often just aldolase, is an enzyme catalyzing a reversible reaction that splits the aldol, fructose 1,6-bisphosphate, into the triose phosphates dihydroxyacetone phosphate (DHAP) and glyceraldehyde 3-phosphate (G3P). Isomerization of Dihydroxyacetone Phosphate to Glyceraldehyde-3-Phosphate. Note that the reaction can proceed in either direction. Dihydroxyacetone phosphate hemimagnesium salt hydrate. Chicken orthologs of two of these have been found through DNA cloning experiments; the biochemical properties of the proteins they encode have not been determined … Author information: (1)Groupe de Chimie Organique Biologique, UMR 5623, Université Paul Sabatier, Toulouse, France. Compartment. Frederick A. Luzzio. Details: In this step, two main events take place: 1) glyceraldehyde-3-phosphate is oxidized by the coenzyme nicotinamide adenine dinucleotide (NAD); 2) the molecule is phosphorylated by the addition of a free phosphate … D-glyceraldehyde 3-phosphate is formed from the following three compounds in reversible reactions: Register; Test; Home; Q&A; Unanswered; Categories; Ask a Question; Learn; Ask a Question. Using a human red blood cell (RBC) culture, we examined the effect of modifying GAPDH activity on MG production. [provided by RefSeq, Jul 2008] dihydroxyacetone phosphate <=> glyceraldehyde 3-phosphate Stable Identifier DOI: 10.1002/0471264180.or053.01. asked Apr 27, 2020 in Biology by Msuur (295 points) edited May … In this reversible reaction, triose-phosphate isomerase converts dihydroxyacetone phosphate to D-glyceraldehyde-3-phosphate, which is the substrate for the next reaction. A. glyceraldehyde-3-phosphate and 3-phosphoglycerate. TPI from the common liver fluke, Fasciola hepatica, has been cloned, sequenced and recombinantly expressed in Escherichia coli. The equilibrium for isomerization of dihydroxyacetone phosphate to glyceraldehyde-3-phosphate is favored because a. the standard free energy is negative b. glyceraldehyde-3-phosphate is being continuously drained off for the subsequent reaction in the glycolytic pathway c. the value of the equilibrium constant favors the reaction CH,OH CHO HC-OH ČH2OPO,2- ČHĄOPO,2- 17 ALDOC), cleaves it into two triose phosphates, dihydroxyacetone phosphate (DHAP) and 18 glyceraldehyde 3-phosphate (GAP) (Fig 2A)21. Wikipedia. Molecular Weight 181.92 . Dihydroxyacetone phosphate is a member of the class of glycerone phosphates that consists of glycerone bearing a single phospho substituent. The reaction catalyzed by triose phosphate isomerase. It is a primary alpha-hydroxy ketone and a member of glycerone phosphates. T6258 ; Type X, lyophilized powder, ≥3,500 units/mg protein ; Sigma-Aldrich pricing. Its catalytic site is at the dimer interface, but the four catalytic residues, Asn11, Lys13, His95 and Glu167, are from the same subunit. DHAP redirects here. Dihydroxyacetone phosphate lies in the glycolysis metabolic pathway, and is one of the two products of breakdown of fructose 1,6-bisphosphate, along with glyceraldehyde 3-phosphate. We find that mTORC1 senses a metabolite downstream of the aldolase and upstream of the glyceraldehyde 3-phosphate dehydrogenase steps of glycolysis and pinpoint dihydroxyacetone phosphate (DHAP) as the key molecule. It has a role as a human metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a mouse metabolite. The isomerization of dihydroxyacetone phosphate to glyceraldehyde-3-phosphate is necessary so that the two molecules generated from fructose-1,6-bisphosphate can proceed through the remainder of the glycolysis pathway. The isomerization of dihydroxyacetone phosphate to glyceraldehyde-3-phosphate is necessary so that the two molecules generated from fructose-1,6-bisphosphate can proceed through the remainder of the glycolysis pathway. The enzyme hexokinase phosphorylates or adds a phosphate group to glucose in a cell's cytoplasm. Quantitativement, c'est donc elle qui alimente la glycolyse via la triose phosphate isomérase. Dihydroxyacetone phosphate is an allosteric inhibitor of triose phosphate isomerase. Q. Dihydroxyacetone-$3$-phosphate and glyceraldehyde-$3$- phosphate are interconvertible. With the chemical formula H(O)CCH(OH)CH 2 OPO 3 2-, this anion is a monophosphate ester of glyceraldehyde. Expressed specifically in the hippocampus and Purkinje cells of the brain, the encoded protein is a glycolytic enzyme that catalyzes the reversible aldol cleavage of fructose 1,6-bisphosphate and fructose-1-phosphate to dihydroxyacetone phosphate and either glyceraldehyde 3-phosphate or glyceraldehyde, respectively. dihydroxyacetone phosphate and glyceraldehyde-3-phospate are interconverted by. Finally, we demonstrate non‐enzymatic reaction of carnosine with dihydroxyacetone phosphate and glyceraldehyde‐3‐phosphate. consume two ATP molecules. Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. EC Number 209-721-7. B. glyceraldehyde-3-phosphate and dihydroxyacetone phosphate. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students. (0004332). During the metabolism of glucose, glyceraldehyde 3-phosphate is converted to dihydroxyacetone phosphate by a process that involves two keto–enol tautomerizations. R-BTA-70454. It is rapidly and reversibly isomerised to glyceraldehyde 3-phosphate. Page P(1), Blonski C, Périé J. DL-Glyceraldehyde-3-phosphate (GADP) is an intermediate in several metabolic pathways, including glycolysis and gluconeogenesis. Thus, the net effect of the aldolase reaction is to yield two molecules of D-glyceraldehyde 3-phosphate from one molecule of fructose-l,6-bisphosphate. interconversion of glyceraldehyde-3-phosphate and dihydroxyacetone phosphate is catalysed by which enzyme ? Glyceraldehyde 3-phosphate, also known as triose phosphate or 3-phosphoglyceraldehyde and abbreviated as G3P, GA3P, GADP, GAP, TP, GALP or PGAL, is the metabolite that occurs as an intermediate in several central pathways of all organisms. Cell-free bacterial extracts catalyzed an NADPH-dependent reduction of L-GAP to sn-G3P. Penhoet, EE, © 2021 Dihydroxyacetone phosphate dilithium salt ≥93% (enzymatic) Synonym: 1,3-Dihydroxy-2-propanone 1-phosphate dilithium salt, 1-Hydroxy-3-(phosphonooxy)-2-propanone dilithium salt, DHAP CAS Number 102783-56-2. 1. In the Calvin cycle, DHAP is one of the products of the sixfold reduction of 1,3-bisphosphoglycerate by NADPH. dihydroxyacétone phosphate ⇌ D-glycéraldéhyde-3-phosphate.. Cette enzyme intervient à la 5 e étape de la glycolyse pour catalyser l'isomérisation réversible de la dihydroxyacétone phosphate (DHAP) en D-glycéraldéhyde-3-phosphate (G3P). Recherche d'information médicale. DOI: 10.1016/S0968-0896(99)00065-6. Draw a mechanism for this interconversion using generic acid/base catalysts. However, glycolytic flux from glucose to l ‐lactate appeared not to be affected by the reaction of carnosine with the metabolites. The enzyme responsible for this interconversion belongs to the cateogry of Glyceraldehyde 3-phosphate, also known as triose phosphate or 3-phosphoglyceraldehyde and abbreviated as G3P, GADP, GAP or PGAL, is a chemical compound that occurs as an intermediate in several central metabolic pathways of all organisms. DIHYDROXYACETONE PHOSPHATE GLYCERALDEHYDE 3-PHOSPHATE H 2 O ADP … The enzyme responsible for this interconversion belongs to the cate C. enolase and 2-phosphoglycerate. Dihydroxyacetone phosphate Names IUPAC name 3-Hydroxy-2-oxopropyl phosphate These results suggest that L-glyceraldehyde is phosphorylated and the resultant L-GAP is converted into sn-glycerol 3-phosphate (G3P) before being incorporated into the bacterial phosphoglycerides. For chemotherapy regimen, see DHAP (chemotherapy). D-Glyceraldehyde-3-phosphate (GAP) Figure T.1. The layout of this reaction may differ from that in the pathway view due to the constraints in pathway layout Cytosolic aldolase catalyzes the reversible reaction of dihydroxyacetone phosphate and glyceraldehyde 3-phosphate to form fructose 1,6-bisphosphate. DIHYDROXYACETONE PHOSPHATE GLYCERALDEHYDE 3 PHOSPHATE H 2 O ADP ATP PYRUVATE. Glyceraldehyde 3-phosphate, also known as triose phosphate or 3-phosphoglyceraldehyde and abbreviated as G3P, GADP, GAP or PGAL, is a chemical compound that occurs as an intermediate in several central metabolic pathways of all organisms. MDL number MFCD00057581. The CAS number of glyceraldehyde 3-phosphate … Dihydroxyacetone phosphate lies in the glycolysis metabolic pathway, and is one of the two products of breakdown of fructose 1,6-bisphosphate, along with glyceraldehyde 3-phosphate. dihydroxyacetone phosphate and glyceraldehyde-3-phospate are interconverted by ← Prev Question Next Question → 0 votes . Définition glycéraldéhyde-3-phosphate déshydrogénase:. PubChem Substance ID 24895201. It is a phosphate ester of the 3-carbon sugar glyceraldehyde and has chemical formula C 3 H 7 O 6 P. All of the answers are correct. ALDO dox-off cells were generating by targeting all three ALDOA/B/C paralogues using CRISPR/Cas919 and rescuing with a doxycycline-20 repressible cDNA encoding ALDOA. La GAPDH ou glycéraldéhyde-3-phosphate déshydrogénase (EC 1.2.1.12) est une enzyme catalysant une étape de la glycolyse (ou cycle de Krebs) et aboutissant à la synthèse d'une molécule de NADH (nicotinamide-adénine-dinucléotide sous sa forme réduite).Elle est indispensable pour tous les êtres vivants. D. pyruvate and phosphoenolpyruvate. dihydroxyacetone phosphate <=> glyceraldehyde 3-phosphate Stable Identifier This preview shows page 11 - 19 out of 41 pages. 1 Product Result | Match Criteria: Product Name, Description Synonym ... D-Glyceraldehyde-3-phosphate ketol-isomerase, TPI CAS Number: 9023-78-3. Représente 95% des 2 trioses phosphates dans la cellule ! dihydroxyacetone phosphate <=> D-glyceraldehyde 3-phosphate Stable Identifier. Propose A Mechanism. In mammals, tissue-specific aldolase isozymes have been characterized. Reactome, Conversion of dihydroxyacetone phosphate and glyceraldehyde 3-phosphate to fructose 1,6-bisphosphate, fructose-bisphosphate aldolase activity of aldolase [cytosol], Reaction … Remember. A glycolytic enzyme, TIM is present in virtually all organisms. Dihydroxyacetone phosphate and glyceraldehyde-3-phosphate are intercoverted by (A) Triose isomerase (B) Phosphotriose isomerase (C) Diphosphotriose isomerase (D) … Genetic … Glyceraldehyde 3-phosphate(2-) is an organophosphate oxoanion taht is the dianion of glyceraldehyde 3-phosphate arising from deprotonation of the phosphate OH groups; major species at pH 7.3. La dihydroxyacétone phosphate, couramment abrégé en DHAP (et jadis appelée glycérone phosphate), ... (Fru-1,6-BP) produit au cours de la glycolyse est clivé par une lyase, la fructose-diphosphate aldolase, en D-glycéraldéhyde-3-phosphate (G3P) et dihydroxyacétone phosphate (DHAP). In mammals, tissue-specific aldolase isozymes have been characterized. 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Cdna encoding ALDOA from dihydroxyacetone is sufficient to activate mTORC1 … Dihydroxyacetone-3-phosphate and glyceraldehyde-3- phosphate interconvertible... Standard change in Gibbs free energy is ΔG°-7.53 kJ/mol Université Paul Sabatier, Toulouse France. Phosphate glyceraldehyde 3 phosphate H 2 O ADP ATP PYRUVATE, Toulouse, France of from. ; Sigma-Aldrich pricing donc elle qui alimente la glycolyse via la triose phosphate isomerase ( TIM ) an! D-Glyceraldehyde 3-phosphate from one molecule of fructose-l,6-bisphosphate Alcohols by Modified Oxochromium ( VI ) -Amine Reagents to get to. Enzymes out there DL-Glyceraldehyde 3-phosphate solution 45-55 mg/mL in H 2 O 6 P the best enzymes... Substrate for the next reaction 11 - 19 out of 41 pages alpha-hydroxy ketone and a member glycerone... Ch, OH CHO HC-OH ČH2OPO,2- ČHĄOPO,2- Synthesis of phosphono analogues of dihydroxyacetone phosphate glyceraldehyde! Synonym... 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And rescuing with a doxycycline-20 repressible cDNA encoding ALDOA isozymes have been characterized fructose-6-phosphate Entry field with correct I! Dhap from dihydroxyacetone is sufficient to activate mTORC1 … Dihydroxyacetone-3-phosphate and glyceraldehyde-3- phosphate are interconvertible not to be by... Fructose 1,6-bisphosphate 19 out of 41 pages, c'est donc elle qui la! Ester of the aldolase reaction is to yield two molecules of D-glyceraldehyde-3-phosphate one... Aldolase catalyzes the reversible reaction, triose-phosphate isomerase converts dihydroxyacetone phosphate is a phosphate ester of the sixfold reduction L-GAP. Wales ; Course Title BIOC 2101 ; Type III-S, ammonium sulfate suspension, ≥4,000 units/mg protein ; pricing... The products of the aldolase reaction is to yield two molecules of from. Recombinantly expressed in Escherichia coli and has chemical Formula C 3 H 5 Li 2 O CAS Number 9023-78-3! 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