EBK LEHNINGER PRINCIPLES OF BIOCHEMISTR
EBK LEHNINGER PRINCIPLES OF BIOCHEMISTR
7th Edition
ISBN: 8220103662253
Author: nelson
Publisher: MAC HIGHER
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Chapter 3, Problem 21P

(a)

Summary Introduction

To determine: The amino acid residues that are invariant in the given sequence.

Introduction:

Protein folding is a process, by which a protein molecule acquires biologically functional 3-D (three-dimensional) conformation from its random coiled structure. After translation, proteins have an unfolded linear chain of amino acids. This protein or polypeptide begins to fold into 3-D structure as it is synthesized within the ribosome. Chaperones are molecules that assist protein folding.

(b)

Summary Introduction

To determine: The positions at which the amino acids are limited to those with positively charged side chains and which amino acid predominates at each position

Introduction:

Protein folding is a process, by which a protein molecule acquires biologically functional 3-D (three-dimensional) conformation from its random coiled structure. After translation, proteins have an unfolded linear chain of amino acids. This protein or polypeptide begins to fold into 3-D structure as it is synthesized within the ribosome. Chaperones are molecules that assist protein folding.

(c)

Summary Introduction

To determine: The positions at which the substitutions are restricted to amino acids with negatively charged side chains. Also, to determine the amino acid that predominates each position.

Introduction:

Protein folding is a process, by which a protein molecule acquires biologically functional 3-D (three-dimensional) conformation from its random coiled structure. After translation, proteins have an unfolded linear chain of amino acids. This protein or polypeptide begins to fold into 3-D structure as it is synthesized within the ribosome. Chaperones are molecules that assist protein folding.

(d)

Summary Introduction

To determine: The position at which any amino acid can be occupied and the amino acid that appears most often.

Introduction:

Protein folding is a process, by which a protein molecule acquires biologically functional 3-D (three-dimensional) conformation from its random coiled structure. After translation, proteins have an unfolded linear chain of amino acids.. This protein or polypeptide begins to fold into 3-D structure as it is synthesized within the ribosome. Chaperones are molecules that assist protein folding.

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