Given the following peptide, answer following questions 1-5:COCH2 O||CH2 OH3N-CH-C-NH- CH-c-OCH3|1. Is this a dipeptide or tripeptide?2. How many amino acid components/residues are there?3. Name these amino acids.4. What kind of bond links these amino acids?5. The above structure represents the major ingredient in some commercial product(s).Identify the name of this major ingredient or the commercial product(s).Given that the hemagglutininin protein in influenza virus contains a remarkably long a-helixwith 53 residues, answer questions 6-7.6. How long is this a-helix (in nm)? Show all calculations.7. How many turns does this helix have? Show all calculations.

Peptide bond are the bonds formed between α-nitrogen atom of one amino acid and the carbonyl carbon…

Answered: Given the following peptide, answer…

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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Write the chemical structure of peptide containing the following amino acid PRO-SER-GLY-LEU
Examine the following peptide and the inserted table, and answer the 2 questions below: Thr-Glu-Pro-Ile-Val-Ala-Pro-Met-Glu-Tyr-Gly-Lys 1. Estimate the net charge of the peptide at pH 2.0. Explain. 2. Estimate the net charge of the peptide at pH 7.0. Explain.
The bacterially produced antibiotic gramicidin A forms channels in cell membranes that allow the free diff usion of Na+ and K+ ions, thereby killing the cell. This peptide consists of a sequence of Dand L-amino acids. The sequence of a segment of fi ve amino acids in gramicidin A is R-Gly-L-Ala-D-Leu-L-Ala-D-Val-R′. Complete the Fischer projection below by adding the correct group to each vertical bond.
Draw the structure of peptide with the following amino acids Gly-Leu-Ala-Gly-Pro-Hyp. The structure formed of the peptide is most likely a? Please explain. Thank you!
Write the chemical structure of peptide containing the following amino acid PRO-SER-GLY-LEU I NEED IT ASAP PLEASE
Draw the structural formulas of the following peptides, andshow which bond would be cleaved by chymotrypsin.a. trp-val-glyb. phe-ala-pro
Draw the peptide ASK(ala-ser-lysine) with proper stereochemistry? what is its pI(isoelectric point)and why the structure is planar? Use the following table to look at pka's of the amino acids and solve this question.
How many chiral carbons are present in this amino acid (aqueous form)? (Identify the following amino acid (at pH = 7.0): (COO-)–CH(NH3+)–CH2–CH2–CH2–CH2–(NH3+)) zero chiral carbons one chiral carbon two chiral carbons three chiral carbons four chiral carbons
The oligopeptide isolated from the brain of an animal has the sequence glu-his-tri-ser-tyr-gly-leu-arg-pro-gly. Determine the total charge of the molecule at pH 3.0; 5.5; 11.0. In which pH range there is the isoelectric point of the peptide?
you have isolated the following peptide: His-Ser-Arg- Ala-Glu- Leu- Pro- Gly Calculate the approximate charge of the peptide at Ph 1, 3, 5, 8, 11, 14 AND what is the PI of this peptide?
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?
What are the charges of the following amino acids peptides at ph 14? 1. GLAVV 2. RRKKQ

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Given the following peptide, answer following questions 1-5: CO, CH2 O || H3N-CH-C-NH- CH-C-OCH3 CH2 O || 1. Is this a dipeptide or tripeptide? 2. How many amino acid components/residues are there? 3. Name these amino acids.