Lehninger Principles of Biochemistry 7E & SaplingPlus for Lehninger Principles of Biochemistry 7E (Six-Month Access)
Lehninger Principles of Biochemistry 7E & SaplingPlus for Lehninger Principles of Biochemistry 7E (Six-Month Access)
7th Edition
ISBN: 9781319125882
Author: David L. Nelson, Michael M. Cox
Publisher: W. H. Freeman
Question
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Chapter 3, Problem 7P

(a1)

Summary Introduction

To draw: The structure of Ala-Ala-Ala.

Introduction: Alanine is an aliphatic amino acid used in the biosynthesis of polypeptides or proteins. Alanine consists a α-amino group and α -carboxyl group. Alanine is a non-polar amino acid due to presence of methyl group in its side chain.

(a2)

Summary Introduction

To identify: The functional groups associated with pK1 and pK2.

Introduction:

Alanine is an aliphatic amino acid used in the biosynthesis of polypeptides or proteins. Alanine consists a α-amino group and α -carboxyl group. Alanine is a non-polar amino acid due to presence of methyl group in its side chain.

(b)

Summary Introduction

To determine: The reason behind increases of pK1 with each additional Ala residue in the Ala oligopeptide.

Introduction: Alanine is an aliphatic amino acid used in the biosynthesis of polypeptides or proteins. Alanine consists a α-amino group and α -carboxyl group. Alanine is a non-polar amino acid due to presence of methyl group in its side chain.

(c)

Summary Introduction

To determine: The reason behind the decrease of pK2 value with each addition of Ala residue in the Ala oligopeptide.

Introduction:

Alanine is an aliphatic amino acid used in the biosynthesis of polypeptides or proteins. Alanine consists a α-amino group and α -carboxyl group. Alanine is a non-polar amino acid due to presence of methyl group in its side chain.

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