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Chapter-06 Qualitative Analysis of Proteins

BOOK TITLE: An Easy Guide for Practical Biochemistry

Author
1. D’sa Divya Shanthi
2. Lakshmi Sowbhagya
ISBN
9789352702633
DOI
10.5005/jp/books/14203_7
Edition
2/e
Publishing Year
2018
Pages
26
Author Affiliations
1. Shimoga Institute of Medical Sciences, Shimoga, Karnataka, India, Subbaiah Institute of Medical Sciences, Shivamogga, Karnataka, India
2. Shimoga Institute of Medical Sciences, Shimoga, Karnataka, India, Sambhram Institute of Medical Sciences and Research, Kolar, Karnataka, India
Chapter keywords
Protein, simple protein, conjugated protein, primary derived protein, secondary derived protein, hormone, antibody, coagulation factor

Abstract

The aim of this chapter is to focus on the qualitative analysis of proteins. Proteins are defined as sequence specific polymers of L α-amino acids linked by peptide bonds. They are complex organic substances made up of carbon, hydrogen, oxygen and nitrogen. Some proteins also contain sulfur and phosphorus. Classification of protein, functions of proteins, reactions of proteins, color reactions for proteins, and identification of unknown protein are also discussed. Functions of proteins are maintain the structural integrity of bones, tendons, hair and teeth—collagen, elastin, keratin; acts as enzymes (catalytic function), hormones (regulatory function), Antibodies, Coagulation factors, and contractile element in the muscle (actin, myosin).

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