Essential Organic Chemistry (3rd Edition)
3rd Edition
ISBN: 9780321937711
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Textbook Question
Chapter 18, Problem 36P
For each of the following reaction, name both the enzyme that catalyzes the reaction and the required coenzyme:
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Evaluate
Give the name of the enzyme that will most likely catalyze each of the following reactions:
O
CH3 - CH2 - OH + NAD+ → CH3 – C – H + NADH + H+
Ans. ___________________________________________
CH3 – C – COOH + R – CH – COOH → CH3 – CH – COOH + R – C – COOH
O NH2 NH2 O
HO – C – CH – CH2 – C – OH → HO – C – CH = CH – C – OH + H2O
O OH O O O
CO2 + CH3 – C – C – OH + ATP → HO – C – CH2 – C – C – OH + ADP + Pi
O O O O…
The enzyme that catalyzes the following reaction belongs to which class?
is-l
O Lyase
Isomerase
Oxidoreductase
O Hydrolase
OH
Chapter 18 Solutions
Essential Organic Chemistry (3rd Edition)
Ch. 18.1 - Prob. 1PCh. 18.2 - If H218O were used to hydrolyze lysozyme, which...Ch. 18.3 - Which of the following amino acid side chains can...Ch. 18.3 - Arginine and lysine side chains fit into trypsins...Ch. 18.4 - Which of the following amino acid side chains can...Ch. 18.4 - Prob. 6PCh. 18.5 - Prob. 7PCh. 18.5 - Draw the mechanism for the hydroxide-ion-catalyzed...Ch. 18.5 - What advantage does the enzyme gain by forming an...Ch. 18.7 - Prob. 10P
Ch. 18.7 - Prob. 11PCh. 18.8 - How many conjugated double bonds are there in a....Ch. 18.8 - Instead of adding to the 4a-position and...Ch. 18.8 - In succinate dehydrogenase, FAD is covalently...Ch. 18.8 - Prob. 15PCh. 18.9 - Acetolactate synthase is another TPP-requiring...Ch. 18.9 - Acetolactate synthase can also transfer the acyl...Ch. 18.9 - Prob. 18PCh. 18.9 - Prob. 19PCh. 18.10 - Prob. 21PCh. 18.11 - Prob. 23PCh. 18.11 - Which compound is more easily decarboxylated?Ch. 18.11 - Explain why the ability of PLP to catalyze an...Ch. 18.11 - Explain why the ability of PLP to catalyze an...Ch. 18.12 - What groups are interchanged in the following...Ch. 18.13 - Why is the coenzyme called tetrahydrofolate?Ch. 18.13 - What amino acid is formed by the following...Ch. 18.13 - How do the structures of tetrahydrofolate and...Ch. 18.13 - What is the source of the methyl group in...Ch. 18 - Prob. 32PCh. 18 - Prob. 33PCh. 18 - From what vitamins are the following coenzymes...Ch. 18 - Prob. 35PCh. 18 - For each of the following reaction, name both the...Ch. 18 - Explain why serine proteases do not catalyze...Ch. 18 - Prob. 38PCh. 18 - For each of the following enzyme catalyzed...Ch. 18 - Trisephosphate isomerase (TIM) catalyzes the...Ch. 18 - Prob. 41PCh. 18 - What acyl groups have we seen transferred by...Ch. 18 - When UMP is dissolved in T2O, exchange of T for H...Ch. 18 - Prob. 44PCh. 18 - When transaminated, the three branched-chain amino...Ch. 18 - Aldolase shows no activity if it is incubated with...
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- Identify the enzyme needed in each of the following reactions as an isomerase, a decarboxylase, a dehydrogenase, a protease, or a phosphatase.arrow_forwardWhat type of specificity (absolute, group, linkage, or stereochemical) is associated with each of the following enzymes? a. Sucrase b. A lipase c. A decarboxylase d. L-glutamate oxidasearrow_forwardTo which of the six major classes of enzymes does the enzyme that catalyzes each of the following reactions belong? a. An L isomer is converted to a D isomer. a. A phosphate group is transferred from one substrate to another. b. An amide linkage is hydrolyzed. c. Hydrolysis of a carbohydrate to monosaccharides occurs.arrow_forward
- To which of the six major classes of enzymes does the enzyme that catalyzes each of the following reactions belong? a. A cis double bond is converted to a trans double bond. a. An alcohol is dehydrated to form a compound with a double bond. b. An amino group is transferred from one substrate to another. c. An ester linkage is hydrolyzed.arrow_forwardThe enzyme that catalyzes reaction below can be classified as: NAD* NADH + H* Но- H-Ć- Н—с—н H- malate dehydrogenase Oxaloacetate Malatearrow_forwardTo what main class of enzymes does the enzyme that catalyzes the following reaction belong? 1- isomerase lyase oxidoreductase hydrolase transferase OH O™arrow_forward
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- In the KEGG database, the pathway map for glycolysis and gluconeogenesis (search for "glycolysis gluconeogenesis") indicates that __unique enzyme/s can catalyze the conversion of a-D-glucose to a-D-glucose-6- phosphate (a-D-glucose-6P). 03 02 04 01arrow_forwardIf an enzyme-catalyzed reaction has a high rate at low pH and low rate at higher pH, this implies that a group on either the enzyme or the substrate must be for an efficient reaction. leaving group oxidoreductase coenzymes O protonated deprotonated The compound that consists of deoxyribose linked by an N-glycosidic bond to N-9 of guanine is: adenylate deoxyguanosine guanosine nucleotide guanylatearrow_forwardFor the following reactions, name both the enzyme that catalyzes the reaction and the required coenzyme:arrow_forward
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