A tetradecapeptide (14 amino acid residues) gives the following peptide fragments on partial          hydrolysis.          (i) From this information, deduce the primary structure of this polypeptide. Fragments are          are grouped according to size. Pentapeptide Fragments TetrapeptideFfragments Phe-Val-Asn-Gln-His His-Leu-Cys-Gly-Ser Gly-Ser-His-Leu-Val Gln-His-Leu-Cys His-Leu-Val-Glu Leu-Val-Glu-Ala        Predict the products formed if the tetradecapeptide is acted upon by trypsin and elastse.

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

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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: 5 ased on molecular weights of purified (no beta-Me) and (beta-Me) sample, which are 97.4 kDa and…

A: Given , molecular weight of (no beta -Me ) purified sample = 97.4 kDa molecular weight of (beta -Me)…

Q: Draw the structure of the tetrapeptide Asp-Arg-Val-Tyr. Please show the appropriate stereochemistry…

A: Amino acids are the substances which contains a carboxylic group(-COOH), an amine group(-NH2), a…

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: Use the given experimental data to deduce the sequence of an octapeptide that contains the amino…

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Q: Reaction of the a-carboxyl group of an amino acid or peptide with phenylisothiocyanate allows for…

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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: Draw the structural formulas of the following peptides, andshow which bond would be cleaved by…

A: The organic or biological compounds in which the carbon atom is bonded to an amine group (NH2), a…

Q: +NH3-Gly-Lys-Ser-Arg-COO- (pH=13)

A: At pH = 13 it will have only negative charge at COOH group. Because in basic medium proton is…

Q: draw the primary structure of the peptide DKMMS at pH 7.4 and name this peptide and what chain…

A: Primary structure of a peptide refers to the amino acid sequence in the peptide.

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: Suppose that peptide N and O are segments in the globular protein's primary structure, where will…

A: Proteins are made up of amino acid chains.  The bond between the amino acid sequence is called as…

Q: Show how solid-phase peptide synthesis would be used to make Ile-gly-asn

A: The first step of solid-phase peptide synthesis to make ile-Gly-Asn is shown below.

Q: Outline the four general stages in an enzyme-catalyzedreaction.

A: Catalysts are those compounds which alters the rate of the reaction, may or may not interact during…

Q: Draw the structure of the pentapeptide alanine-leucine- phenylalanine-glycineUisoleucine. Assume…

A: Given: The structure of pentapeptide alanine-leucine-phenylalanine-glycine-isoleucine has to be…

Q: Which would you expect to be more soluble in water, a peptide containing mostly alanine and leucine…

A: Amino acid are the organic compounds which contains both amines  and carboxylic acids within the…

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

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Q: Give the amino acid sequence of each peptide using the fragments obtained by partial hydrolysis of…

A: Primary constituents of peptides are amino acids. Amino acid sequence with 2 to 50 residues are…

Q: Consider the hypothetical serine protease in the image, which shows the specificity pockets. The S,…

A: Hydrophobic side chains are non-polar side chains. The hydrophilic side chains are polar, acidic,…

Q: A tetradecapeptide (14 amino acid residues) gives the following peptide fragments on partial…

A: So on partial hydrolysis, we will get separate amino acids peptide  chain  To get our main chain we…

Q: Answer only In base solution, an amino acid is in acid solution, an amino acid is and exists…

A: Amino acids are compounds which contain both an amino group and an acidic group. Alpha amino acids…

Q: Give the amino acid sequence of each peptide using the fragments obtained by partial hydrolysis of…

A: The peptide linkage is formed between the amino group of one amino acid and the carboxyl group of…

Q: shows the specificity pockets. The S₁ pocket has a glutamic acid in the bottom, the S₂ pocket is…

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Q: Deduce the sequence of a pentapeptide that contains the amino acids Ala, Glu, Gly, Ser, and Tyr,…

A: The amino acids are always formed from N-terminal to C-terminal. The partial hydrolysis of the given…

Q: Calculate the isoelectric pH of this peptide: His-Tyr

A: Here we are required to find the isoelectric point pH of the peptide.

Q: A decapeptide has the following amino acid composition: Ala2 , Arg, Cys, Glu, Gly, Leu, Lys, Phe,…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A peptide has the following amino acid composition: 2 Met, 2 Phe, 2 Glu, 1 Arg, 1 Lys, 1 Val, 1 Leu,…

A: Amino acid are biomolecules which will have both acid group and basic group  We are required to find…

Q: The three dimensional structure of a peptide chain depends only on the amino acid content of the…

A: 4 statements are given, we have to choose one false statement among them

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: The amino acid sequence shown below is a short excerpt (residues 130-172) from the rod domain of an…

A: Following the rules of conservative amino acids, the amino acids that when replaced with a…

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

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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: Which peptides is more likely to take up on alpha-helical structure? Explain. Top:…

A: The alpha-helical structure is the right-hand helix conformation present in the secondary structure…

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: Consider the structure of the peptide below. Name it using the three-letter abbreviation.…

A: Amino acids can be defined as the organic compound containing an amino group and carboxylic group.…

Q: Considering the peptide structure on the image, label N-terminus and C-terminus, circle each of the…

A: Given that, a structure of a peptide.  We have to assign the N-terminus and C-terminus. Also we have…

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: Decide if the side chains of the following peptides are nonpolar or polar, and label the hydrophobic…

A: Non-polar amino acids are hydrophobic in nature and polar amino acids are hydrophilic in nature. (a)…

Q: Although the bond energy for the hydrogen bond in a vacuum is estimated to be about 20 kJ/mol, we…

A: In order to solve this question, we must have some idea regarding the proteins nature and when it…

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: Identify the primary structure of hexapeptide with 5 different amino acids if the following smaller…

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Q: The bottom peptide segment is found in the secondary structure composed of anti-parallel - sheets.…

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Q: A decapeptide has the following amino acid composition: Ala2 , Arg, Cys, Glu, Gly, Leu, Lys, Phe,…

A: The tripeptide has lysine as N-terminal. Now writing all these tripeptide in such a manner that…

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

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Q: His-Met-Asp-Tyr-Phe-Ser within this peptide, which amino acid residue is the most hydrophobic and…

A: Hydrophobic amino acids are those with side-chains that do not like to reside in an aqueous…

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.