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 ?.

Q: The peptide with sequence GVPLT has antioxidant properties.    Draw the chemical structure of this…

A: A polypeptide is a long-chain polymer, which is made up by joining several amino acids.

Q: Two peptide segments are shown below. Predict which one would have the most negative AG when going…

A: Protein folding is a spontaneous reaction by which most of the proteins fold inside the cell without…

Q: In pyrimidine nucleosides the anti conformation predominates because of steric interactions with…

A: Pyrimidine nucleosides have anti-conformation as the oxygen molecule present on the second carbon is…

Q: what would the net charge on the tetra peptide of sequence ala-lys-glu-ser at ph 7.2 what would it…

A: Peptides are composed of amino acids that are bonded to each other via peptide bonds. The ionizable…

Q: (b) r , The following polypeptide sequence has three alpha helices and two B turns. Based on what we…

A: An amino group and an acid group-containing organic molecules are called Amino acids.…

Q: A mixture of Aspartic Acid (pl 2.98), Histidine (pl 7.59), Lysine (pl 9.74), Phenylalanine (pl 5.48)…

A: In chromatography, we've got a go with the flow coming out of a column, when we inject a substance…

Q: What amino acids will be positive at a pH of 2? Use the pKa table

A: Amino acids are the building blocks of proteins and peptides. They have two common functional…

Q: At pH-4, what is the net charge of the peptide GKPAD? O+0.5 O-1.0 Oo -0.5

A: The sequence of the given peptide is as follows: Gly-Lys-Pro-Ala-Asp The amino acids are composed of…

Q: Write the structure of each of the following peptides. Start with the N-terminal and the COO- on the…

A: Peptides are the sequence of amino acids that are joined through formation of peptide bond. The…

Q: Is this the correct answer of finding what the charge is?

A: Amino acids are the smallest units that make up the peptides or proteins inside the cell. Twenty…

Q: Why proline encounters at the myoglobin and hemoglobin molecules where polypeptide chains turns a…

A: The organic acid in which the amino group is not present is called proline. The proline is used for…

Q: So which form of the arginine side chain is the ionized form? And when the side chain is ionized the…

A: Arginine is an amino acid with a side chain that contains a guanidine group. In its conjugate acid…

Q: Would the side chains in the Leu-Thr-Met-Val-Trp-Gly-Pro of a polypeptide be located on the interior…

A: 1.Amino acids that are hydrophobic (water-fearing) in nature are mostly found interior of the…

Q: A sample of a peptide of unknown sequencewas treated with trypsin; another sample of the same…

A: Introduction: The chain of amino acids is known as a peptide which is connected by an amine or…

Q: Peptide ionization Consider a peptide with the sequence Ser-His-Glu-Cys-Arg-Gln. You will be asked…

A: The net charge of the each amino acid residue in a peptide is determined by the side chain pK of the…

Q: What would you predict about the ratio of hydrophilic to hydro- phobic amino acid residues in a…

A: Before getting into the calculations, we have to assume that our globular protein have a spherical…

Q: Remembering that the amino acid side chains projecting from each polypeptide backbone in a β sheet…

A: Amongst secondary structures of polypeptide chains made of amino acids, β-sheets are a more spacious…

Q: what is the N and C terminal AA residue?

A: DNA sequencing is a biochemical method for determining the order of the nucleotide bases, adenine,…

Q: Please break this question down for me and draw the peptide too…….

A: Ionizable groups in the peptide sequence Ala-Arg-Lys-Ala-Asn-Ser-Ala-Ser modify its net charge…

Q: The following peptide that has been acetylated at the C-terminus: CH3C(O)-GEEGH-NH2 Plot the…

A: Titration is a very useful procedure to estimate the concentration of any unknown compound in a…

Q: Part a) Draw the peptide C-H-A-R-G-E-D. What is its total charge at pH 7.   Part b) Draw the…

A: The organic molecule is comprised of two functional groups that are an amino group and the carboxyl…

Q: A synthetic polypeptid made up of L-glutamic acid residues is in a random coil configuration at pH…

A: Hydrophobic effect: non-polar side groups that do not ionize interact with other non-polar side…

Q: Can you please help find what the n terminal is?

A: The pH of the solution is determined by measuring the acidity and basicity. The pH of less than 7 is…

Q: draw the structure of the peptide Asp - Asn-Ser-Lys-Pro at PH 8

A: The given peptide is Asp - Asn-Ser-Lys-Pro.Asp is aspartic acid which is an acidic amino acid with…

Q: Draw the tetrapeptide Met-Ile-Lys-Glu at a ph of 12?

A: The pKa values of amino acid side chains play an important role in determining the pH-dependent…

Q: Draw the full structure of the one predominant form of val-asp-asp-arg fragment as it would exist at…

A: Amino acid is a molecule which group together to form proteins . Amino acid can be acidic , neutral…

Q: Despite being hydrophobic, why is methionine (Met) not located within a protein?

A: Methionine is an amino acid that is regarded to be one of the necessary amino acids. Although it is…

Q: Identify and briefly describe the different PEGylation strategies you can use to PEGylate this…

A: PEGylation refers to the process where polyethylene glycol polymer is chemically added to a protein…

Q: The SARS-CoV-2 spike protein is heavily glycosylated. What are some of the monosaccharides found in…

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Q: How many peptide bonds in this peptide chain LEU-ILE-LEU?

A: A peptide bond is an amide kind of covalent chemical connection that connects two successive…

Q: 2.2 Aspirin reacts with the amino acid Serine. What is the structure of serine? Draw the structure…

A: The proteins are biological macromolecules that are composed of twenty naturally occurring amino…

Q: Draw the structure of Arg - Lys - Ser - Trp at ph 7.4

A: The proteins are biological macromolecules that are composed of twenty naturally occurring amino…

Q: Please calculate and plot the charge on a peptide with the sequence of NEYK over the pH range from 1…

A: Before calculating the charge on the peptide and plotting it, we need to be thorough with the…

Q: Given the peptide Lys-Glu-Trp  a) Draw the appropriate titration curve for this peptide. Label X…

A: Recall that:Amino acid sequences are written with N-terminal amino acid on the left and C-terminal…

Q: Calculate the pI of both peptides. Which is more acidic and why?

A: Given sequence, PEPTIDE #1: Pro-Phe-Thr-Cys PEPTIDE #2: Gly-Tyr-Ser-Asp If the peptide does not have…

Q: Heparin, a highly negatively charged glycosaminoglycan, is used clinically as an anticoagulant. It…

A: Heparin is an anticoagulant that prevents the formation of blood clots. It is used to treat and…

Q: Given the R-groups in the peptide GLY-ASN-THR-LYS-HIS. It would most likely be: a)neither soluble…

A: Different amino acids have different R-groups. The R-groups can be polar or non-polar. Polar…

Q: "de 96 5 no

A: Answer :- The pH of the solution and the pKa values of the side chains of amino acids must be taken…

Q: is it true that aplha and beta are made up of same amino acids but Beta chain is longer than alpha…

A: Hemoglobin (Hb) is a complex protein which is consist of two parts - the heme and the globin. Heme…

Q: Consider the peptide Asp-Lys-Phe-Glu-Asn-Tyr-Gln-Val-Cys. In a single beaker, you treat this peptide…

A: The amino acids that form peptide chains can be either polar/non-polar, charged/uncharged,…

Q: Why is methionine (Met) not found on the inside of a protein even though it is hydrophobic?

A: The amino acid methionine is considered as one of the essential amino acids. It is a hydrophobic…

Q: In pyrimidine nucleosides, the anti conformation predominates. Explain. Do the purine nucleosides…

A: Introduction and Explanation: Pyrimidines and purines are the nitrogenous bases that are present in…

Q: Consider the following two peptides: I. Ile-Trp-Ala-Met and II. Glu-His-Cys-Thr Which peptide would…

A: Peptides are short chains of amino acids that are linked together by peptide bonds. Amino acids are…