EP FUND.OF GENERAL,ORG...-MOD.MASTERING
8th Edition
ISBN: 9780134326061
Author: McMurry
Publisher: PEARSON CO
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Chapter 5, Problem 5.20UKC
Interpretation Introduction
Interpretation: The correct combination of cation and anion should be determined from the given options, and this combination should be satisfying the given result of formation of ionic compound.
Concept introduction:
Ionic compounds are formed from cations and anions. Cations and anions have positive and negative charges respectively.
The sum of charges of the anion must be equal the sum of the charges on the cation.
Charges of ions can be used to predict the probable compound.
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The beta-lactamase hydrolyzes the lactam-ring in penicillin. Describe the mechanism
of hydrolysis, insuring to include the involvement of S, D, & K in the reaction sequence. Please help
To map the active site of beta-lactamase, the enzyme was hydrolyzed with trypsin to yield a hexapeptide (P1) with the following amino acids. Glu, Lys, Leu, Phe, Met, and Ser. Treatment of P1 with phenyl isothiocyanate yielded a PTH derivative of phenylalanine and a peptide (P2). Treatment of P1 with cyanogenbromide gave an acidic tetrapeptide (P3) and a dipeptide (P4).Treatment of P2 with 1-fluoro-2,4-dinitrobenzene, followed by complete hydrolysis, yields N-2,4-dinitrophenyl-Glu. P1, P2, and P3 contain the active site serine.
Why doesn't D in this hexapeptide not participate in the hydrolysis of the beta-lactam ring even though S, K, and D are involved in the catalyst?
To map the active site of -lactamase, the enzyme was hydrolyzed with trypsin to yield a hexapeptide (P1) with the following amino acids. Glu, Lys, Leu, Phe, Met, and Ser. Treatment of P1 with phenyl isothiocyanate yielded a PTH derivative of phenylalanine and a peptide (P2). Treatment of P1 with cyanogenbromide gave an acidic tetrapeptide (P3) and a dipeptide (P4).Treatment of P2 with 1-fluoro-2,4-dinitrobenzene, followed by complete hydrolysis, yields N-2,4-dinitrophenyl-Glu. P1, P2, and P3 contain the active site serine.
Using the experimental results described above derive the primary sequence of the active site hexapeptide. Please help!
Chapter 5 Solutions
EP FUND.OF GENERAL,ORG...-MOD.MASTERING
Ch. 5.2 - Ozone (O3) is formed in the earths upper...Ch. 5.2 - Balance the following equations:...Ch. 5.2 - Prob. 5.3KCPCh. 5.3 - Many kidney stones are formed by precipitation of...Ch. 5.3 - Prob. 5.2CIAPCh. 5.3 - Predict the solubility of the following compounds:...Ch. 5.3 - Prob. 5.5PCh. 5.4 - Write and balance equations for the following...Ch. 5.5 - Prob. 5.7PCh. 5.5 - Prob. 5.8P
Ch. 5.5 - Prob. 5.9PCh. 5.6 - Prob. 5.3CIAPCh. 5.6 - The redox reaction that provides energy for the...Ch. 5.6 - Prob. 5.10PCh. 5.6 - Prob. 5.11PCh. 5.6 - For each of the reactions you identified as redox...Ch. 5.7 - Prob. 5.13PCh. 5.7 - Identify each of the tractions in Problem 5.13 as...Ch. 5.7 - For each traction in Problem 5.13 that you...Ch. 5 - Assume that the mixture of substances in drawing...Ch. 5 - Prob. 5.17UKCCh. 5 - Prob. 5.18UKCCh. 5 - Prob. 5.19UKCCh. 5 - Prob. 5.20UKCCh. 5 - Prob. 5.22APCh. 5 - Why is it not possible to balance an equation by...Ch. 5 - Write balanced equations for the following...Ch. 5 - Prob. 5.25APCh. 5 - Which of the following equations are balanced?...Ch. 5 - Prob. 5.27APCh. 5 - Balance the following equations:...Ch. 5 - Prob. 5.29APCh. 5 - When organic compounds are burned, they react with...Ch. 5 - Prob. 5.31APCh. 5 - Hydrofluoric acid (HF) is used to etch glass...Ch. 5 - Write a balanced equation for the reaction of...Ch. 5 - Identify each of the following reactions as a...Ch. 5 - Write balanced ionic equations and net ionic...Ch. 5 - Write balanced ionic equations and net ionic...Ch. 5 - Prob. 5.37APCh. 5 - Prob. 5.38APCh. 5 - Which of the following substances are likely to be...Ch. 5 - Which of the following substances are likely to be...Ch. 5 - Use the solubility guidelines in Section 5.3 to...Ch. 5 - Use the solubility guidelines in Section 5.3 to...Ch. 5 - Prob. 5.43APCh. 5 - Prob. 5.44APCh. 5 - Prob. 5.45APCh. 5 - Prob. 5.46APCh. 5 - Where in the periodic table are the best reducing...Ch. 5 - Prob. 5.48APCh. 5 - Prob. 5.49APCh. 5 - Prob. 5.50APCh. 5 - Prob. 5.51APCh. 5 - Assign an oxidation number to the metal in the...Ch. 5 - Prob. 5.53APCh. 5 - Which element is oxidized and which is reduced in...Ch. 5 - Prob. 5.55APCh. 5 - Prob. 5.56APCh. 5 - Prob. 5.57APCh. 5 - Identify the oxidizing agent and the reducing...Ch. 5 - Prob. 5.59CPCh. 5 - Prob. 5.60CPCh. 5 - Prob. 5.61CPCh. 5 - Prob. 5.62CPCh. 5 - Prob. 5.63CPCh. 5 - Prob. 5.64CPCh. 5 - Prob. 5.65CPCh. 5 - Prob. 5.66CPCh. 5 - Hard water contains magnesium and calcium ions...Ch. 5 - Prob. 5.68CPCh. 5 - Prob. 5.69CPCh. 5 - Prob. 5.70CPCh. 5 - Geologists identify carbonate minerals by reaction...Ch. 5 - Prob. 5.72CPCh. 5 - High temperature combustion processes, such as in...Ch. 5 - Milk of magnesia is an over-the-counter product...Ch. 5 - Prob. 5.75GP
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