Biochemistry
Biochemistry
9th Edition
ISBN: 9781319114671
Author: Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher: W. H. Freeman
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Concept explainers

Proteins
We generally tend to think of proteins only from a dietary lens, as a component of what we eat. However, they are among the most important and abundant organic macromolecules in the human body, with diverse structures and functions. Every cell contains t…
Protein Expression
The method by which living organisms synthesize proteins and further modify and regulate them is called protein expression. Protein expression plays a significant role in several types of research and is highly utilized in molecular biology, biochemistry…
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Suppose you have a cell-lysis sample containing genomic DNA, a complex mixture of proteins, and debris. Describe different commonly used analytical methods to i) analyze the molecular masses of the protein mixture. ii) detect the composition (what specific amino acids are there in what proportion) of a specific protein from the mixture. iii) deduce the sequence of some particular proteins from the mixture content

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Determining the mass of the protein
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Determination of amino acid composition of protein
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Determination of amino acid sequence of a peptide
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