
Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Question
Chapter 3.2, Problem 1R
Summary Introduction
To review:
The occurrence of change in the tertiary or the secondary structure of protein on replacement of one lysine residue by aspartic acid and the mechanism of this replacement.
Given:
One lysine residue is replaced by an aspartic acid residue in the protein.
Introduction:
The alteration in the primary structure takes place on replacement of one amino acid with another. The aspartic acid has negative change due to the presence of −COO− (carboxyl group) and the lysine has positive change due to presence of −NH3 (amino group). Amino acids that were initially bonded to aspartic acid get detached and new amino acids bind to the lysine residues on the replacement of aspartic acid with lysine.
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Biomolecules - Protein - Amino acids; Author: Tutorials Point (India) Ltd.;https://www.youtube.com/watch?v=ySNVPDHJ0ek;License: Standard YouTube License, CC-BY