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Biochemistry
The amino acids are leucine, serine, aspartic acid, and lysine.

The amino acids are leucine, serine, aspartic acid, and lysine.

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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Please help! The amino acids are leucine, serine, aspartic acid, and lysine.
You must make a peptide using four amino acids (these are assigned using the three letter amino acid abbreviations in the problem). You can make the peptide using the amino acids in any order you choose. Answer the questions about your peptide below. Once you have you sequence, draw the low pH structure of the peptide in the box below. Do not draw individual amino acids separated; draw the amino acids in order connected by peptide bonds; for example, Ala-Gly (N-terminal to C-terminal) is shown below. Н,N'-CH-C-N-Cн-с-он CH H (1) Report the sequence of your peptide (N-terminal to C-terminal). (2) Report your peptide's amino terminal residue (amino acid). (3) Report your peptide's carboxyl terminal residue. (4) Report is the molar mass of your peptide in g/mol (Daltons). Report the pK, values of your peptide's amino terminal, carboxyl terminal, and R-groups. The -1, -2, etc for the R-groups represent the position of that amino acid in the chain (i.e. the amino terminal residue has R-Group-1). If the R-Group of an amino acid does not have a dissociable hydrogen, report it's pK as NA. (5) Amino Carboxyl R-Group-1 R-Group-2 R-Group-3 R-Group-4 Terminal Terminal (6) Draw the peptide as instructed in the box below. Try to fill as much of the box as possible (you might want to practice on scratch paper).
Transcribed Image Text:You must make a peptide using four amino acids (these are assigned using the three letter amino acid abbreviations in the problem). You can make the peptide using the amino acids in any order you choose. Answer the questions about your peptide below. Once you have you sequence, draw the low pH structure of the peptide in the box below. Do not draw individual amino acids separated; draw the amino acids in order connected by peptide bonds; for example, Ala-Gly (N-terminal to C-terminal) is shown below. Н,N'-CH-C-N-Cн-с-он CH H (1) Report the sequence of your peptide (N-terminal to C-terminal). (2) Report your peptide's amino terminal residue (amino acid). (3) Report your peptide's carboxyl terminal residue. (4) Report is the molar mass of your peptide in g/mol (Daltons). Report the pK, values of your peptide's amino terminal, carboxyl terminal, and R-groups. The -1, -2, etc for the R-groups represent the position of that amino acid in the chain (i.e. the amino terminal residue has R-Group-1). If the R-Group of an amino acid does not have a dissociable hydrogen, report it's pK as NA. (5) Amino Carboxyl R-Group-1 R-Group-2 R-Group-3 R-Group-4 Terminal Terminal (6) Draw the peptide as instructed in the box below. Try to fill as much of the box as possible (you might want to practice on scratch paper).
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