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.

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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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