BIOCHEMISTRY BOOKS ALC&MOD MST/ET PKG
1st Edition
ISBN: 9780134172507
Author: APPLING
Publisher: Pearson Education
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Textbook Question
Chapter 8, Problem 19P
Suggest the effects of each of the following mutations on the physiological role of chymotrypsinogen:
a. R15S
b. C1S
c. T147S
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Suggest the effects of each of the following mutations on the physiologicalrole of chymotrypsinogen:(a) R15S(b) C1S(c) T147S
. Suggest the effects of each of the following mutations on the physio-
logical role of chymotrypsinogen:
(a) R15S
(b) Cis
(c) T147S
Explain the function of histidine 57 in the mechanism of chymotrypsin.
Chapter 8 Solutions
BIOCHEMISTRY BOOKS ALC&MOD MST/ET PKG
Ch. 8 - Prob. 1PCh. 8 - The enzyme urease catalyzes the hydrolysis of urea...Ch. 8 - An enzyme contains an active site aspartic acid...Ch. 8 - The folding and unfolding rate constants for a...Ch. 8 - In some reactions, in which a protein molecule is...Ch. 8 - Would you expect an “enzyme” designed to bind to...Ch. 8 - The initial rate for an enzyme-catalyzed reaction...Ch. 8 - a. If the total enzyme concentration in Problem 7...Ch. 8 - Prob. 9PCh. 8 - Prob. 10P
Ch. 8 - The following data describe the catalysis of...Ch. 8 - At 37 oC, the serine protease subtilisin has kcat...Ch. 8 - The accompanying figure shows three...Ch. 8 - The steady-state kinetics of an enzyme are studied...Ch. 8 - The same enzyme as in Problem 14 is studied in the...Ch. 8 - Enalapril is an anti-hypertension “pro-drug"...Ch. 8 - Initial rate data for an enzyme that obeys...Ch. 8 - Prob. 18PCh. 8 - Suggest the effects of each of the following...Ch. 8 - The inhibitory effect of an uncompetitive...Ch. 8 - Prob. 21P
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- TPCK and TLCK are irreversible inhibitors of serine proteases. One ofthese inhibits trypsin and the other chymotrypsin. Which is which? Explainyour reasoning. Suggest the effects of each of the following mutations on the physiologicalrole of chymotrypsinogen:(a) R15S(b) C1S(c) T147Sarrow_forwardABC is an oral medicine and is a co-formulation containing Drug X and Drug Z. When administered alone, Drug X which is the active ingredient, exhibits poor bioavailability. Drug X is known to be metabolised by hepatic CYP enzymes. Studies have shown that addition of Drug Z results in higher blood levels of Drug X. 1) How this might be possible ? 2) Predict possible changes to the pharmacokinetic parameters of Drug X when co-administered with Drug Z ? 3) Clinical outcomes brought about by using this co-formulation ABC ?arrow_forwardDraw the structures of the major metabolites you would predict (Phase I and Phase II) for the non-steroidal anti-inflammatory drug naproxen and the beta blocker propranolol (use hand drawn illustrations or free chemistry drawing software, e.g. Marvin, for your answer). Explain how these metabolites are formed and comment on the role of metabolism (Phase I and Phase II) in the detoxification of the drugs.arrow_forward
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