A peptide has the following sequence:   Glu – His – Trp – Ser – Gly – Leu – Arg – Pro – Gly   Using a table of pKa values, determine the net charge of the molecule at   pH 3   pH8       pH 11

Biology (MindTap Course List)
11th Edition
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Chapter3: The Chemistry Of Life: Organic Compounds
Section: Chapter Questions
Problem 9TYU: Which of the following levels of protein structure may be affected by hydrogen bonding? (a) primary...
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  • A peptide has the following sequence:

 

Glu – His – Trp – Ser – Gly – Leu – Arg – Pro – Gly

 

Using a table of pKa values, determine the net charge of the molecule at

 

  1. pH 3

 

  1. pH8

 

 

 

  1. pH 11
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