A peptide with the primary structure Lys-Arg-Pro-Leu-Ile-Asp-Gly-Ala must be synthesized by the methods developedby Merrifield.Calculate the percentage of the peptides synthesized that willbe full length and have the correct sequence if the addition ofeach amino acid residue is 96% efficient.Do the calculation a second time but assume a 99% efficiencyfor each cycle.full-length peptides with thecorrect sequence if 96% efficient:full-length peptides with thecorrect sequence if 99% efficient:%%

The effectiveness of each step i.e. adding of an amino acid residue in Merrifield solid phase…

Answered: Calculate the percentage of the…

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter9: Gene Expression And Gene Regulation

Section: Chapter Questions

Problem 15QP

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Consider the following peptide: Lys-His-Asp-Glu-Phe-Cys-Ala-Asp-His-Arg What is the net charge of this peptide at pH = 1? What is the net charge of this peptide at pH = 14?
Please help! Sketch a titration curve of the peptide Ala-Tyr-Gln-Met-Asp-His from pH=0 to 14 up to 5 equivalnets of KOH (Please type answer)
Draw Glu-His-Trp-Ser-Gly-Leu-Arg-Pro-Gly peptide. What is the net charge of this peptide at pH 3, 8 and 11? What can you say about pI value of this peptide?
draw the structure of the peptide Asp - Asn-Ser-Lys-Pro at PH 8
Determine the pI of the peptide H2N-Ala-Lys-Ser-Arg-COOH at pH 11, please explain why some pKas are used in the solution of the problem while others are not.
A peptide with the primary structure Lys–Arg–Pro– Leu–Ile–Asp–Gly–Ala is sequenced by the Edman procedure. If each Edman cycle is 96% efficient, what percentage of the amino acids liberated in the fourth cycle will be leucine? Do the calculation a second time, but assume a 99% efficiency for each cycle.
Remembering that the amino acid side chains projecting from each polypeptide backbone in a β sheet point alternately above and below the plane of the sheet, consider the following protein sequence: Leu-Lys-Val-Asp-Ile-Ser-Leu-Arg- Leu-Lys-Ile-Arg-Phe-Glu. Do you find anything remarkable about the arrangement of the amino acids in this sequence when incorporated into a β sheet? Can you make any predictions as to how the β sheet might be arranged in a protein?
Consider the peptides Ser-Glu-Gly-His-Ala and Gly-His-Ala-Glu-Ser. How do these two peptides differ?
you have the following peptide Arg-Ile-Pro-Leu-Asp-Lys-Glu The net charge on this peptide at pH 7.0 is ?. The net charge on this peptide at 1M HCl is ?.
You have isolated the following peptide: His-Ser-Arg-Ala-Glu-Leu-Pro-Gly A) Calculate the approximate charge of this peptide at pH 1, pH 3, pH 5, pH8, pH 11, and pH 14. B) What is the PI of this peptide?
Consider the following peptide: Lys-Tyr-Glu-His-Arg-Ala-Asp-Arg-Glu-Tyr-Lys a) What is the net charge of this peptide at pH=1? Show your work. b) What is the net charge of this peptide at pH=14? Show your work.
Both hsp60-like and hsp70 molecular chaperonesshare an affinity for exposed hydrophobic patches on pro-teins, using them as indicators of incomplete folding. Whydo you suppose hydrophobic patches serve as critical sig-nals for the folding status of a protein?

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