Based on the given figure, a. what is the possible identity of the amino acid? b. what is the isoelectric point of AA c. what is the pKa corresponding to the dissociation of alpha carboxylic group

Q: You have been given a mixture of lysine, histidine and cysteine. The isoelectric point of the amino…

A: The mixture of amino can be separated by electrophoresis technique. This method is based on pH…

Q: Which amino acid listed in the pKa table may behave as a zwitterion at a pH of 7.0-7.4?

A: An amino acid acts as a zwitterion at its isoelectric point.

Q: Your task is to categorize and tabulate the 20 standard amino acids with the following columns:

A: Amino acid are the building block of protein which contain both acidic COOH and basic NH2 group

Q: Please identify the amino acid shown below: Arginine ΝΗ H₂N NH₂ OH Arginine If this amino acid was…

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Q: Identify the peaks of the 1D ¹H NMR and identify the amino acid at physiological pH. 10 Q K a.…

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Q: 1. a) Classify the amino acids according to the nature of their side chains (R groups), stating…

A: "Dear student, as an expert we are only allowed to answer one quesstion at a time and 3 subpart at a…

Q: An electrophoresis experiment is performed with a sample containing the amino acid derivative shown.…

A: To describe where does the given amino acid derivative migrate depending on the buffer used.

Q: Answer the following questions on the basis of the free energies of formation at 25°C shown in the…

A: (a) The mentioned peptide bond formation reaction can be represented as:…

Q: 0. Draw the ionic form found at a pH of 3.7 for the nonstandard amino acid that is shown below in…

A: We have to predict the structure of ionic form at given pH.

Q: on derivative curves, there are several sharp peaks. what points in the ionisation of the amino acid…

A: 1. Derivative curve plots the change in pH divided by change in number of moles of the base added,…

Q: The maximum number of amino acid side chains that can potentially form an ionic bond (+lil-…

A: Histidine is an amino acid with a imidazole ring attached as a substituent. The polarity of…

Q: 8. The following proteins represent a wide range of molecular weights and isoelectric points. Mr is…

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Q: The amino acid cysteine has three ionizable groups with the indicated pKas values. Draw the shapes…

A: Given is amino acid .The name of amino acid is cysteine. It has three ionisable groups.

Q: Give typed full explanation not a single word hand written otherwise leave it  Calculate the…

A: The isoelectric point (pI) of an amino acid is the pH at which the molecule carries no net charge.…

Q: Sketch the titration curve of CRIP and draw the corresponding predominant structue at each…

A: The given peptide is Cysteine rich intestine protein. The cysteine has three acidic hydrogen with…

Q: Determine the predominant forms of (S)-phenylalanine as it exists at pH 1, pH 7.4 (blood pH) and at…

A: We know if the pH is greater than pka, then deprotonation occurs and it exists in deprotonated form.…

Q: . The pKa of the carboxylic acid group is 2.36. The pKa of the amino group is 9.76. Show how to…

A: Isoelectronic point is the PH at which maximum concentration of zwitter ion exist. That means a…

Q: The isoelectric point of the amino acid alanine is 6.0. What form will it exist in the highest…

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Q: Glutamic acid is a naturally occurring α-amino acid that contains acarboxy group in its R group side…

A: a) At pH=1 , that is in highly acidic medium, the amino group gains a proton and thus the positive…

Q: (b) Describe how the charge of some amino groups in a protein might differ at pH 9.0 and pH 5.0.…

A: Polypeptides are polymers of amino acids that make up proteins. The amino (–NH2) and carboxylic acid…

Q: me amino group = 9.04, and pKaR for the side chain - 12.48

A: Deprotection of groups depends upon the it's pKa value when pH > it's pKa then deprotection…

Q: Which of the following correctly represents the protonation state of the amino acid phenylalanine?…

A: The objective of this question is to represent the protonation state of phenylalanine.

Q: Which representation of the amino acid lysine would exist at a pH less than the isoelectric point?…

A: Given amino acid,

Q: 3-1. For each of the given amino acids, write the equilib- rium reactions that would apply at a pH…

A: Deprotonating of an acidic and protonated(with H+) takes place at a pH higher than the pKa value.…

Q: The triprotic form of the amino acid lysine is shown below, along with the pKa value for each…

A: Here we have to say in monoprotic form of lysine site A,B and C will be protonated or unprotonated-

Q: The peptide KNYPEH N-terminal amino group has a pKa of 8.6 and the C-terminal carboxylate group has…

A: Since you have posted multiple questions so we are answering first question for you for remaining…

Q: If the pH of a solution of Arginine is equal to a half of the 3 pka values of all of its functional…

A: Half of the three pKa values indicates that the sum of the three pKa values divided by 2.

Q: Lysine and tryptophan are two amino acids that contain an additional N atom in the R group bonded to…

A: Lysine- Structure is- Lysine consists of α-amino group ,α- carboxylic acid group also side chain…

Q: 3a. At right is a hypothetical enzyme that breaks down isoleucine (the amino acid substrate is shown…

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Q: The pKa values of an amino acid are the following: pK1 = 2.18;  pK2 = 8.95;  pK3 = 10.53, what is…

A: Tha pKa values indicates ;  pK1 = 2.18 ( this is the pKa of acidic group)  pK2 and pK3 are the pKa…

Q: The amino acid histidine has ionizable groups with pKą values of 1.8, 6.0, and 9.2, as shown. COO…

A: Molarity of Histidine solution = 0.11 MThe volume of Histidine solution taken = 80 mLpH of Histidine…

Q: Draw the product of the acid-base reaction that would take place when glycine reacts with itself.

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Q: Which of the following protein assays does not make use of the copper (I or II) ions in the…

A: The purpose of the protein assay is to determine the concentration of a protein out of different…

Q: Calculate the isoelectric point for below amino acid. asparagine: pKa (COOH) = 2.02; pKa (α-NH3+) =…

A: Given: pKa (COOH) = pKa1 = 2.02 pKa (α-NH3+) = pKa2 = 8.80 Isoelectric point (pI) is simply equal to…

Q: Calculating the pl for an amino acid without an ionizable side chain is straightforward. Simply the…

A: The isoelectric point (pI) of an amino acid is the pH at which a particular molecule carries no net…

Q: The triprotic form of the amino acid lysine is shown below, along with the pKa value for each…

A: