5. For each of the following modified amino acid side chains, iden- tify the amino acid from which it was derived and the type of chemical modification that has occurred. (a) –CH,OPO (b) –CH,CH1COO©2. (c) - 1CH22,-NH-C102CH3

Q: Many plasma proteins found in an aqueous environment are globular in shape. Which amino acid side…

A:

Q: At very low pH, alanine is a diprotic acid that can be represented as H3N1-CH(CH3)-COOH. The pKa of…

A: A diprotic acid contains two types of acidic groups. The amino acid contains these two groups: 1.…

Q: 4. How is the racemic mixture of alanine represented?

A: Enantiomers are the stereoisomers that have non-superimposable mirror-image relationship. One of…

Q: Protease enzymes are a type of protein made up of: Select one: Peptide Carbohydrates Pepsin Amino…

A: Proteins that function as biological catalysts are known as enzymes. Catalysts help to speed up…

Q: 7. which type of cross-link involves interactions between two cysteine amino acids? 8. Which type of…

A: Two same or different amino acids may cross link with each other via covalent bond with an…

Q: Draw an equation for the hydrolysis of a peptide bond of the polypeptide shown below

A: In hydrolysis of polypeptide , break only amide bonds into -COOH and -NH2 .

Q: н н. N-C-C Н Н. N-C-C Classify the following amino acid 2. н он н он сн. ÇH2 CH, ÇH2 CH. structure…

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

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: Vancomycin, as shown in the figure contains all the proteinogenic amino acids and sugar moieties

A: Vancomycin is an amphoteric Glycopeptide antibiotic.It inhibit the cell wall formation of

Q: on which basis proteins can be purified? write the name of any two proteins

A: proteins have been purified in active form on the basis of such characteristics as solubility, size,…

Q: Draw the structure of the dipeptide Val–Gly, and label the N-terminal and C-terminal amino acids.

A: Dipeptide can be formed by the combination of two amino acids with the removal of a water molecule.…

Q: Classify the following amino acids as acidic,

A: Given,

Q: ive An Example of D amino Acid and its application ?

A: An organic compound that contains both the NH2 group and the COOH group bonded to the same C-atom.…

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: which amino acids has a side chains with a conjugate acid form that is neutral?

A: Amino acids are the molecules which containing an amine group, a carboxylic acid group and a side…

Q: Draw three-dimensional representations of the following amino acids. Explain their structures. (a)…

A: (a) The three-dimensional representations of L-phenylalanine can be drawn as follows, This is the…

Q: 5. A new amino acid is discovered with the following structure: NH,CH,CHCOOH Into what category does…

A: Amino acids are those compounds that contain both amino and carboxylic acid groups in the same…

Q: -NH2 Na CN HCL, H,0 CN COCH 2-amino - 3-phenyl propanitrik phenylalanine COOH 02 H20 Iodinase COOH…

A:

Q: Which of the following amino acids has a net charge of +2 at low pH? Which has a net charge of -2 at…

A: The internal transfer of H+ ion from COOH group to NH2 of amino acids leads to the formation of…

Q: The S1' pocket in the serine proteases is also known as? OA. the active site O B. the oxyanion hole…

A: Serine protease is an enzyme that is being used for breaking the peptide bonds that exist between…

Q: which amino acids has a side chain that can serve as a hydrogen bond donor but not acceptor in its…

A: Hydrogen bond donor is the one which can donate hydrogen atom to form hydrogen bonding.  Hydrogen…

Q: For the peptide: TREATS, what would be the y3 ion? TS ATS TRE EATS

A: Given peptide sequence is TREATS.

Q: Why is the amino acid proline not commonly found in alpha-helices or beta-sheets?  In what secondary…

A: The reason for proline not found in α helix or β sheet:It can’t donate an amide hydrogen bond.The…

Q: In the transamination of an alpha amino acid plus alpha-ketoglutarate, what are the two products of…

A: In transamination reaction, transfer of an amino group (-NH2) takes place from the amino acid to the…

Q: Draw three-dimensional representations of the following amino acids.(a) l-phenylalanine

A: The compounds that contain amine group and carboxyl group attached with a side chain usually alkyl…

Q: Why is Arg often referred to as a basic amino acid? Which other two amino acids are also basic amino…

A:

Q: Draw a structural formula of these tripeptides. Mark each peptide bond, the N-terminal amino acid,…

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

Q: Write structural formulas amino acids would have in the amino acid isoelectric p a. methionine b.…

A: At isoelectric poin amino acid present in the form of zwitter ion . And low PH cationic form is…

Q: 5) Identify each of the following observations about protein structure as being aspects of the 1',…

A: protein are formed from basic unit - amino acid when they undergo condensation reaction to form…

Q: As a genetic engineer, you have been given the following task:alter a protein’s structure by…

A:

Q: Below is one of the polypeptide chains in the insulin structure. a. What is the amino acid residue…

A:

Q: Draw the structure of the following tripeptide, and label its N-terminal and Cterminal amino acids:…

A: Given, Ala–Gly–Ser

Q: In the following peptide, which amino acids would be D chirality? HO. HS NH3 ООС ZI IZ ZI

A: D chirality  represents S configuration.

Q: Write what kind of reaction is each one of the four reactions depicted. (e.g. peptide bond…

A: There are four reactions given in the question. The reactions and their types are given below-

Q: Which chemical group is a hydrogen-bond acceptor that stabilizes an alpha-helical peptide?

A: Hydrogen bond are very specific in nature. Only formed with H atom attach to more electronegative…

Q: Draw the structure of the following molecule The amino acid phenylalanine at pH 1

A:

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: What is the predominant form of the following amino acids at pH= 1? What is the overall charge on…

A: At isoelectric point, the amino acids exist in neutral form. The amine groups exist as -NH3+ and…

Q: Name each peptide using both the three-letter and one-letterabbreviations of the component amino…

A: Introduction: Amino acids are the organic molecules consist of amino and carboxylic acids as a…

Q: What process results in cleavage of peptide linkages in a protein? O esterification O hydrolysis O…

A: To identify, the type of cleavage of peptide linkages in a protein.

Q: Which amino acid has a negative charge at physiological pH? NH3 CH₂ CH₂ CH₂ CH₂ H CH₂ COO H₂N-…

A: Given: Which amino acid has negatively charge at pathological pH ??

Q: hos Peptide bond Gne See Cye Fibrous protein Amino acids Beta-pleated sheets Globular protein…

A: Proteins structures are made by condensation of amino acids forming peptide bonds.

Q: Draw the structure of the pentapeptide Met-Pro-Ser-His-Ile at its pl

A:

Q: What is the predominant form of the following amino acids at pH= 1? What is the overall charge on…

A: The predominant form of the following amino acids at pH= 1 has to be defined. The overall charge on…

Q: Please answer true or false and give a short explanation. Thank you - The coferent of…

A:

Q: Draw three-dimensional representations of the following amino acids.  l-histidine

A: The three-dimensional representation gives the arrangement of bonds in any chemical compound. The…