What peptides are expected to be produced when a-melanotropin (Problem 2) is cleaved by (a) trypsin, (b) cyanogen bromide, and (c) thermolysin?

Q: Three peptides were obtained from a trypsin digestion of two different polypeptides. In each case,…

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Q: The cleavage pattern for o-lodosobenzoate is C-terminal to tryptophan; the cleavage pattern for…

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Q: Illustrate a glycosidic, peptide and a phospho-diester bond.

A: Glycosidic bond   - This bond is formed between C1 carbon atom of a monosaccharide unit and C4…

Q: identify the presence of a peptide bonds in your structure by putting a star/highlighting at the…

A: The compound given is,

Q: A tripeptide undergoes complete hydrolysis and the resulting mixture contains only phenylalanine and…

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Q: What amino acid is at the N-terminus of the following peptide? CO2 H3N

A: Given : Peptide chain  To find : Amino acid present at N terminus Solution: Amino acids are those…

Q: The amino acid (S)-alanine has the physical characteristics listed under the structure. a.What is…

A: a. The given melting point of (s)-alanine is 297oC.  The (R)-alanine, and (s)-alanine are the…

Q: Indicate the peptides produced from cleavage by the indicated reagent: a.…

A: Concept introduction: Amino acids are linked each other by peptide bonds is called protein (one or…

Q: In the dreaded Zephyer galaxy there is a race of Fairies that have the ability to change their body…

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Q: Determine the amino acid sequence of a polypeptide from the following data:Complete hydrolysis of…

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Q: Somatostatin is a tetradecapeptide of the hypothalamus that inhibits the release of pituitary growth…

A: The primary structure of somatostatin has to be deduced,

Q: Estimate the pl values of the following peptides: a. Ser-lle and b. Gly-Tyr-Val.

A: The question is based on the concept of biomolecules . we have to calculate isoelectric point for…

Q: Determine the amino acid sequence of a polypeptide from the following data: Complete hydrolysis of…

A: We can use the above given info to write the primary structure of the original polypeptide. First we…

Q: III. Identify the amino acids in this peptide

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Q: Which of the following reagents can be used to cleave a tert-butoxycarbonyl (Boc) protecting group…

A: Among the many amino protecting groups, one of the most important protecting group is…

Q: Cleavage of the following peptide with cyanogen bromide would result in the production of smaller…

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Q: A tripeptide contains lysine (R= -(CH₂)4NH2), phenylalanine (R= -CH₂C6H5) and glycine (R= -H). It…

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Q: What trend can you suggest for the stability of proteins under varying pH

A: As we decrease the pH (by adding acid ) converts COO- ion to a neutral COOH group. In each case the…

Q: Bradykinin is a linear nonapeptide released by blood plasma globulin in response to a wasp sting.…

A: The peptide contains 9 amino acids.

Q: Which of the following is an acceptable name for the peptide sequence below?

A: While naming the amino acid sequence, start from N-terminal and end on C-terminal, so, it will be…

Q: Draw out the peptide IYV and clearly label/identify all the Phi, Psi, and peptide bonds present in…

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Q: 3) Indicate the product of the following stages of peptide synthesis by drawing the appropriate…

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Q: 3. If D-serine has a specific activity of +6.83, what will be the specific activity if it is…

A: The specific activity of enantiomers are equal in magnitude but they have opposite signs because…

Q: 3. What is the product if the following peptide is hydrolyzed? H₂N. OH

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Q: Assuming that we take only the 20 biogenic amino acids into account, which of the following fruits…

A: We need to tell possible oligo- or micropeptides based on amino acid single letter codes

Q: peptide

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Q: An unknown decapeptide was isolated and characterized. Complete hydrolysis of this peptide gave :…

A: Carboxypeptidase hydrolyzes the peptide bond present at the C-terminal position, so amino acid A…

Q: Specify the absolute (R/S) configuration of the amino group in structure IV. (i) If the…

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Q: Match the products with the relative amounts that would be formed from complete hydrolysis of the…

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Q: A Write the structure of the pentapeptide GL B. What is the complete name of this pentapeptide? Show…

A: A) Pentapeptide GLDSC contains five amino acids i.e, glycine, leucine, aspartic acid, serine, and…

Q: In a variation of the Merrifield solid-phase peptide synthesis, the amino group is protected by a…

A: In organic chemistry, protecting groups are used to protect a molecule so that it can’t participate…

Q: Provide the chemical structure for the following peptide:  A-C-E

A: The amino acid corresponds to the given one letter code is as follows,A – alanineC- cysteineE-…

Q: Draw this peptide showing correct stereochemistry (hashed/wedged bonds) and please explain…

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Q: Reaction of the intact peptide with 1-fluoro-2,4-dinitrobenzene followed by hydrolysis creates Ala…

A: 1-fluoro-2,4-dinitrobenzene is Sanger's reagent.

Q: An amino acid residue side chain is deprontonated at pH9.5. What is the pKa of this residue if it is…

A: an animo acid is a biomolecule which as both basic amine group and acidic group ( carboxylic acid)…

Q: What is the name of the peptide below and please give a synthesis for it by using solid phase…

A: The name of the peptide has to be given and a synthesis for it by using solid phase peptide…

Q: groups) and determined both the sequence of the peptide and the sequence of the sugar molecule. The…

A: Haworth structure of beta-D- glucopyranosyl (1-4) beta -D-galactopyranose.

Q: 2. Explain using two sentences the biological significance of the following peptides. A. Glucagon B.…

A: Hormones are chemical compounds that function in the body as messenger molecules. They are created…

Q: Draw a structure for a peptide that gives Gly, Ile & Phe on hydrolysis and fails to react with…

A: Amino acids are the building blocks of proteins. Peptides are formed by the combination of two or…

Q: Identify the classification of amine in arginine.

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Q: The amino acid (S)-alanine has the physical characteristics listed under the structure. a. What is…

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Q: How many molecules of water would be required to completely hydrolyze the following peptide?…

A: Given: The given peptide is, Arg-Pro-Pro-Gly-Phe-Ser-Pro-Phe-Arg

Q: 1. A dipeptide, Gly-Ala, was sequenced in the following ways: a) Reaction of this peptide with of…

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Q: 3. What is the product if the following peptide is hydrolyzed?

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Q: Three peptides were obtained from a trypsin digestion of two different polypeptides. indicate the…

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Q: Suggest a reasonable strategy for the synthesis of the dipeptide Leu-Phe, using established protocol…

A: The biomolecules which have carboxylic and amine group containing monomer units are known as…