Draw the products of the reactions. + H₂O H+ +1 equiv OH- products Select Draw Templates More Erase G products Select Draw Templates More C 0 H Q 2Q Erase
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- After drawing a mechanism for this reaction determine which intermediate cannot be formed. O A B OC OD OE Enzyme • 0-0 COOH D COOH HO-O 1.0₂ 2. HO- COOH COOH OH COOH COOH с COOHDraw the mechanism tor the transformation in an acid medium Of isopentenyl pyrophospnate in enzyme wi th an acid hydrogen. Why is this step necessary? Is product formation Fawored? dimetny! pyrophosphate with the presence of an E-H E = enzyme isopenteryl pyrcphosphate dimetiny! pyrophosphareDraw the mechanism of the following hydrolysis N CH3NH₂ * Hi excess H₂O +
- Phosphoglycerate mutase mechanism is shown below: Phosphoglycerate mutase His His 2-0,pN+ "ooc H-C-0-PO N: H+ H,c-0-PO 3-Phosphoglycerate 2,3-Bisphosphoglycerate (2,3-BPG) HN HN His His His His 2-0,P-N* H-C-0-PO; -ooc H-C-0-PO H,C-0-Po 2,3-Bisphosphoglycerate N+ H,C-0-H (2,3-BPG) HN 2-Phosphoglycerate HN -His -His A) What is the role of P on His in step 1? [Select] B) What is the role of the ring nitrogen (with the lone pair shown) of the nonphosphorylated His residue in step 1? [ Select ] C) What is the electrophile in step 2. [ Select] D) What is the role of NH* of the lower His residue in step 2? general baseIsoleucine, another of the twenty amino acids found in proteins, is metabolized by a pathway that includes the following step. Propose a mechanism.An elevated level of the enzyme alkaline phosphatase (ALP) in human serum is an indication of possible liver or bone disorder. The level of serum ALP is so low that it is very difficult to measure directly. However. ALP catalyzes a number of reactions, and its relative concentration can be determined by measuring the rate of one of these reactions under controlled conditions. One such reaction is the conversion of p-nitrophenyI phosphate (PNPP) to p-nitrophenoxide ion (PNP) and phosphate ion. Control of temperature during the test is very important; the rate of the reaction increases 1.47 times if the temperature changes from 30 C to 37 C. What is the activation energy for the ALP-catalyzed conversion of PNPP to PNP and phosphate?
- The enzyme hydroxynitrile lyase (HNL) catalyzes the conversion of cyanohydrins to HCN and a carbonyl compound, as shown below. OH HNL CN R' `R' HCN One of the proposed mechanisms for this enzyme is shown in the scheme below. His235 Ser80 Asp207. His235 0--H-N H Thr1 Asp207, O--H-N (a) Thr" Lys36O NH3 Lys2160 NH3 (d) N=C- OH HCN * H20 H20 His23 Sor80 His205 Asp207. Thr Asp207 Serão (b) O--H-N O The" IN=C Lys236O NH3 (c) NH5 (a) Describe the roles of Ser80, Lys 236, and His235 in catalysis.Helpppp How do I go abt this?Macmillan Learning Draw the major product formed in the reaction. al H NaOH, H₂O A Select Draw Templates More ////// C H 0 Erase
- synthesis of suocybin NH₂ -OH L-Tryptophan, 7 OH NH2 NH2 PsiD -CO₂ Tryptamine, 6 (PsiH) [O] NH2 NH₂ OH -OH HO PsiD PsiK -CO₂ H 4-hydroxy- ATP ADP H tryptamine, 8 Norbaeocystin, 9 H 4-hydroxy-L- Tryptophan, 11 SAM PsiM) SAH HN OH O=P. O=P-O HO PsiM PsiK OH ADP ATP Psilocin, 2 SAH SAM Psilocybin, 1 Baeocystin, 10Determine the X in Stork engmine synthesis. ANM H₂ CV "N H P-TOH (- H2O) X2wye calr * 2) H3OF Ch3I Oxaloacetic acid (or 2-ketosuccinic acid) is a very important intermediate in metabolism. The compound is involved in the citric acid cycle for energy production within the cell. However, the compound is unstable and slowly decomposes spontaneously. Draw the decomposition products. OH HO G Select Draw Templates More / C H о Q2 Q Erase