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Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
Publisher: Cengage Learning
ISBN: 9781305389892
BuyFind

Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
Publisher: Cengage Learning
ISBN: 9781305389892

Solutions

Chapter
Section
Chapter 3.4, Problem 3SB
Textbook Problem
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What are functional domains of proteins, and how are they formed?

Expert Solution
Summary Introduction

To review:

The functional domains of proteins and their formation.

Introduction:

Proteins are biomolecules that are polymers of various amino acids. The amino acids are linked to each other with the help of peptide bonds and such a sequence is also known as a polypeptide. Proteins have four basic functional domains, that is, primary, secondary, tertiary and quaternary. They differ in their interactions.

Explanation of Solution

The folding of a protein takes place after its formation. The specific native conformation is required for the proper functioning of a protein or enzyme. This folding of the amino acid chain leads to the formation of the domain. The protein domains remain conserved with passing time in an organism and are those segments of the protein that can exist and function independently of the protein chain. These domains ensure a compact structure of the protein and form its three-dimensional conformation.

Protein molecules attain different structures at the time of folding and they are as follows:

1. The primary structure contains a sequence of amino acids, which are linked to each other by peptide bonds...

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