EBK ORGANIC CHEMISTRY
EBK ORGANIC CHEMISTRY
6th Edition
ISBN: 8220103151757
Author: LOUDON
Publisher: MAC HIGHER
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Chapter 27, Problem 27.3P
Interpretation Introduction

(a)

Interpretation:

The condensed structure of a phenylalanine residue in a large protein is to be predicted.

Concept introduction:

The chemical compounds in which carbon is bonded with the acidic and basic group along with hydrocarbon side chain are known as amino acids. The amino acids are classified into acidic, basic, polar, non-polar, essential, and non-essential categories. The three-word abbreviation or one-word abbreviation is used for amino acids. The proteins are formed by peptide linkage between amino acids.

Interpretation Introduction

(b)

Interpretation:

The condensed structure of a serine residue in an enzyme is to be predicted.

Concept introduction:

The chemical compounds in which carbon is bonded with the acidic and basic group along with hydrocarbon side chain are known as amino acids. The amino acids are classified into acidic, basic, polar, non-polar, essential, and non-essential categories. The three-word abbreviation or one-word abbreviation is used for amino acids. The proteins are formed by peptide linkage between amino acids.

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Net charge and isoelectric point of an amino acid with an ionizable side group.Consider the net charge and isoelectric point of an amino acid with ionizable side (R-) group.(a) Identify the acidic amino acid(s) capable of having a negatively charged carboxyl side group.(b) Identify the basic amino acid(s) capable of having a positively charged amino side group.(c) For an amino acid with a side (R-) chain that can ionize to a negative charge, derive a general expression in terms of measured pH and known pKa values of α-carboxyla-amino (pKca), α-amino(pKaa),and side group (pKRa), respectively, for the net charge of  an amino acid Consider the net charge and isoelectric point of an amino acid with ionizable side (R-) group.(d) For an amino acid with a side (R-) chain that can ionize to a positive charge, derive a general expression in terms of measured pH and known pKa values ofα-carboxyl (pKca), α-amino (pKaa), and side group (pKRa), respectively, for the net charge of the amino acid.(e)…
Draw three-dimensional representations of the following amino acids.(a) l-phenylalanine
In relation to the spatial structure of the proteins select the INCORRECT alternative: (a) The quaternary structure of proteins consists of the association of two or more protein chains to form the complete protein. (b) The tertiary structure of proteins is mainly due to long-range interactions between amino acids that are far apart in the protein sequence but spatially close due to protein coiling. (c) Disulfide bridges are produced or broken as a result of oxidation-reduction processes. (d) The interactions between peptide chains in the secondary structure of proteins are basically due to Van der Waals forces. (e) The primary structure of proteins is basically due to the existence of covalent bonds between the different amino acids that constitute them.

Chapter 27 Solutions

EBK ORGANIC CHEMISTRY

Ch. 27 - Prob. 27.12PCh. 27 - Prob. 27.13PCh. 27 - Prob. 27.14PCh. 27 - Prob. 27.15PCh. 27 - Prob. 27.16PCh. 27 - Prob. 27.17PCh. 27 - Prob. 27.18PCh. 27 - Prob. 27.19PCh. 27 - Prob. 27.20PCh. 27 - Prob. 27.21PCh. 27 - Prob. 27.22PCh. 27 - Prob. 27.23PCh. 27 - Prob. 27.24PCh. 27 - Prob. 27.25PCh. 27 - Prob. 27.26PCh. 27 - Prob. 27.27PCh. 27 - Prob. 27.28PCh. 27 - Prob. 27.29PCh. 27 - Prob. 27.30PCh. 27 - Prob. 27.31PCh. 27 - Prob. 27.32PCh. 27 - Prob. 27.33PCh. 27 - Prob. 27.34PCh. 27 - Prob. 27.35PCh. 27 - Prob. 27.36PCh. 27 - Prob. 27.37PCh. 27 - Prob. 27.38PCh. 27 - Prob. 27.39PCh. 27 - Prob. 27.40PCh. 27 - Prob. 27.41PCh. 27 - Prob. 27.42PCh. 27 - Prob. 27.43APCh. 27 - Prob. 27.44APCh. 27 - Prob. 27.45APCh. 27 - Prob. 27.46APCh. 27 - Prob. 27.47APCh. 27 - Prob. 27.48APCh. 27 - Prob. 27.49APCh. 27 - Prob. 27.50APCh. 27 - Prob. 27.51APCh. 27 - Prob. 27.52APCh. 27 - Prob. 27.53APCh. 27 - Prob. 27.54APCh. 27 - Prob. 27.55APCh. 27 - Prob. 27.56APCh. 27 - Prob. 27.57APCh. 27 - Prob. 27.58APCh. 27 - Prob. 27.59APCh. 27 - Prob. 27.60APCh. 27 - Prob. 27.61APCh. 27 - Prob. 27.62APCh. 27 - Prob. 27.63APCh. 27 - Prob. 27.64APCh. 27 - Prob. 27.65APCh. 27 - Prob. 27.66APCh. 27 - Prob. 27.67APCh. 27 - Prob. 27.68APCh. 27 - Prob. 27.69APCh. 27 - Prob. 27.70APCh. 27 - Prob. 27.71APCh. 27 - Prob. 27.72APCh. 27 - Prob. 27.73APCh. 27 - Prob. 27.74APCh. 27 - Prob. 27.75APCh. 27 - Prob. 27.76APCh. 27 - Prob. 27.77APCh. 27 - Prob. 27.78APCh. 27 - Prob. 27.79APCh. 27 - Prob. 27.80APCh. 27 - Prob. 27.81APCh. 27 - Prob. 27.82APCh. 27 - Prob. 27.83AP
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Biomolecules - Protein - Amino acids; Author: Tutorials Point (India) Ltd.;https://www.youtube.com/watch?v=ySNVPDHJ0ek;License: Standard YouTube License, CC-BY