Biochemistry
6th Edition
ISBN: 9781305577206
Author: Reginald H. Garrett, Charles M. Grisham
Publisher: Cengage Learning
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Chapter 23, Problem 5P
Interpretation Introduction
Interpretation:
Where the fatty acid binding sites of albumin are located; their relative affinities should be discussed.
Concept Introduction:
Human serum albumin (HSA) is a plasma protein which is responsible for the transportation of fatty acids. HSA also binds wide range of drugs and involve in pharmacokinetics. Interactions between fatty acids and drug binding sites on albumin have been studied through high resolution structural information and crystallographic data. Albumin has 11 different binding sites. HAS carries around 0.1 − 2 moles of fatty acids per mole of albumin.
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Drawing the Structure of a Glycopeptide (Integrates with Chapters 4and 5.) Consider the peptide DGNILSR, where N has a covalentlylinked galactose and S has a covalently linked glucose. Draw thestructure of this glycopeptide, and also draw titration curves for theglycopeptide and for the free peptide that would result from hydrolysis of the two sugar residues.
Absorbance spectrum of Ninhydrin curve
1,6
1,4
1,2
0,8
0,6
0,4
0,2
100
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-0,2
Wavelength nm
- Arginine
- Proline
-Leucine
2. Discuss the absorption spectra of the 3 amino acids as given in graph 1.
1.
Absorbance (OD)
Activity (% Max.)
Using your knowledge of aspartyl proteases, develop a plausible explanation for why protein activity changes when pH is
increased or decreased from pH 4, as shown in the graph.
06
08
09
10+
4.
9.
Hd
Which statements are true?
The protein is active when one asp residue is protonated and the other is deprotonated.
O Both asp residues are protonated at more basic pH values.
O Active aspartyl proteases have only one asp residue in the active site.
Only one asp side chain is protonated at low pH (below pH 3.5).
Both asp side chains are deprotonated at higher pH values.
Chapter 23 Solutions
Biochemistry
Ch. 23 - Prob. 1PCh. 23 - Determining the Amount of ATP Produced from Fatty...Ch. 23 - Prob. 3PCh. 23 - Examining the Labeling of Glucose from 14C.labeled...Ch. 23 - Prob. 5PCh. 23 - Prob. 6PCh. 23 - Prob. 7PCh. 23 - Prob. 8PCh. 23 - Prob. 9PCh. 23 - Prob. 10P
Ch. 23 - Prob. 11PCh. 23 - Understanding Human Energy Consumption During...Ch. 23 - Prob. 13PCh. 23 - Prob. 14PCh. 23 - Prob. 15PCh. 23 - Extending the Mechanism of Methylmalonyl-CoA...Ch. 23 - Prob. 17PCh. 23 - Prob. 18PCh. 23 - Prob. 19PCh. 23 - Understanding a Ubiquitous Series of Metabolic...Ch. 23 - Using the ActiveModel for enoyl-CoA dehydratase,...
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