Draw the molecule arginyl-alanyl-histidyl-cysteinyl-isoleucyl-asparagine at pH 7. List the name of the entire a. functional group (R) and the pK, (if appropriate) under each amino acid side chain you draw.

Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter26: Gene Expression And Protein Synthesis
Section: Chapter Questions
Problem 26.40P: Why is amino acid activation called the second genetic code?
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Draw the molecule arginyl-alanyl-histidyl-cysteinyl-isoleucyl-asparagine at pH 7. List the name of the entire
a.
functional group (R) and the pk, (if appropriate) under each amino acid side chain you draw.
b.
Draw a titration curve for the oligopeptide in problem 2a. Assume that the pK, of the C-terminal carboxylate
is the same as on a typical protein C-terminus. Label your axes and include scales (units).
С.
Nhat is the charge of the fully protonated protein from problem 2a? Place a data point with a triangle around
it on the curve where the isoelectric point occurs.
Transcribed Image Text:Draw the molecule arginyl-alanyl-histidyl-cysteinyl-isoleucyl-asparagine at pH 7. List the name of the entire a. functional group (R) and the pk, (if appropriate) under each amino acid side chain you draw. b. Draw a titration curve for the oligopeptide in problem 2a. Assume that the pK, of the C-terminal carboxylate is the same as on a typical protein C-terminus. Label your axes and include scales (units). С. Nhat is the charge of the fully protonated protein from problem 2a? Place a data point with a triangle around it on the curve where the isoelectric point occurs.
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