Which side chain would most likely be found in the interior of a protein, away from the aqueous environment A. –CH2OH –CH2SH –CH2COOH –CH2CONH2 Ethylbenzene I used your alls answer of –CH2CONH2 the first time and it was wrong

Q: Structures 1-3 are ___. Stabilized by hydrogen bonding The result of protein amino acid sequences…

A: This question is related to amino acid.   Structure 1 is an example of alpha helix. Structure 2 is…

Q: Given pKa values for ionizable groups from Table 27.2, sketch curves for the titration of Q.)…

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Q: Angiotensin II is a polypeptide that regulates blood pressure. 2nd attempt Enter the amino acids, in…

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Q: Calculate the pI value of GE- dipeptide   The pKa values of the terminal amino and carboxyl groups…

A: Calculate the pI value of GE- dipeptide ?

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A: The formula required to calculate the Rf is as follows,

Q: Part a) Draw the peptide K-E-S. Part b) How can you estimate the pI of the peptide?

A: We have to predict the structure of peptide as well as the pI.

Q: Explain why the pKa of the ‒ NH3+ group of an α-amino acid is lower than the pKa of the ammonium ion…

A: In α-amino acid, due to the presence of the electron withdrawing carboxyl group the electron density…

Q: One of the most advanced methods for determining a protein sequence is tandem mass spectrometry…

A: Tandem mass spectroscopy includes the coupling of two or more mass analyzers to significantly…

Q: Determine the pl for this synthesized pentapeptide: A-B-C-D-E Given that the pK values for the amino…

A:

Q: Use these pka values to calculate the charge on the peptide below at pH 6. alpha COOH 2.0 side Chain…

A: T: Threonine, pKa: 9.0 S: Serine Y: Tyrosine, pKa: 10.0 M: Methionine C: Cysteine, pKa: 8.0 F:…

Q: a. Look at the non-natural amino acid below and note that the pka's of particular groups are…

A: As per our company guidelines we are supposed to answer first 3 sub-parts. Kindly repost the other…

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

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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 amino acid beta-serine (see below) belongs to a class of unnatural amino acids that contain an…

A: Assign priority order of the given structure--

Q: Explain why the pKa of the - NH3+ group of an a-amino acid is lower than the pKa of the ammonium ion…

A: In primary (1o) amine, RNH3+, the -NH3+ group is attached to the electron-donating group that is…

Q: What type of tertiary interaction do we observe for the two amino acid residues in the box? Draw the…

A: There are 4 types of protein structure-  1- primary structure 2- secondary structure 3- tertiary…

Q: Which statement about the peptide G TA is correct? Select an answer and submit. For keyboard…

A: G T A is Glycine Threonine Alanine so option - B contradict option- C also contradict because Asn is…

Q: Determine the pl for this synthesized pentapeptide: A-8-C-D-E Given that the pk values for the amino…

A: A biomolecule having both acidic COOH group and basic NH2  group is knownas amino acid  We are…

Q: His-Met-Asp-Tyr-Phe-Ser Calculate an approximate pI (isoelectric point) for this peptide.

A: The isoelectric point (pI) is defined as that pH of aqueous solution of amino acids where the…

Q: According to the paper, F486 is a phenylalanine residue (i.e., an amino acid that is part of a chain…

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Q: Glu-His-Trp-Ser-Gly-Leu-Arg-Pro-Gly The pK₂ values for the peptide's side chains, terminal amino…

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Q: Consider the peptides below. Peptide 1: Peptide 2: NH₂ Luasiya H₂N pro-ile-glu-arg How many peptide…

A: Amino acid :

Q: According to this Ramachandran plot, what is the main secondary structure element found in this…

A: The correct option is:

Q: Please consider the structural formula of the amino acid shown below when answering the following…

A: (A) draw the form of this amino acid that predominates at pH 8  This pH is highly basic so that both…

Q: Calculate the net charge of this oligope tide at pH= 1, pH=7 and at pH=14 (Lys-Arg-Asp-Glu-Ala)?…

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Q: ogen pept is rigid, take place about the N-Co and the Co-C bonds in a protein (Co is the a carbon…

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Q: 1A) Draw a peptide solely derived from L- amino acids. 1B) Note all stereocenters and assign R,S…

A: Isomers are the species that have the same molecular formula but due to differences in the molecular…

Q: Which of the following peptides will elute last from a hydrophobic interaction column? A)…

A: From the given peptides we have to determine the peptide that is eluted last using hydrophobic…

Q: 5. A histidine residue (His146) in Hb subunit has a side chain pKa of 6.2 in the lung. Due to a…

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Q: A set of amino acid residues that prefer formation of a-helix are O a. Ala, Leu, Arg O b. Asn, Asp,…

A: Methionine, alanine, leucine, glutamate, and lysine uncharged all have especially high helix-forming…

Q: 1. In Part II of the Procedure, you were instructed to use your original mixture of phycocyanin and…

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Q: Determine the pl for this synthesized pentapeptide: A-B-C-D-E Given that the pK values for the amino…

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

Q: Consider the peptides below. HO OH Peptide 1: HO. HO. HO, Peptide 2: pro-ile-glu-arg How many…

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

Q: In the case of serine, threonine and tyrosine they have the -OH group in their residue. I'm…

A: To answer the question we have to know the structure of serine , threonine and tyrosine . PKa =-log…

Q: The configuration of the chiral center in a-amino acids is most commonly specified using the d,l…

A: Introduction To name the enantiomer molecule, R and S configuration is used. The configuration is…

Q: Calculate the pI of this peptide. Calculate the net charge of this peptide at pH 2, pH 7, and pH 11.

A:

Q: 1) Compare between three steps for Kjeldahl method for determination of protein?I

A: INTRODUCTION: Kjeldahl method is defined as the method which is used for quantitative determination…

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Q: Identify the features of the two bonded amino acids depicted in the image. HOH H | || N-C-C-N-C-C CH…

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Q: Will the following amino acid migrate in an electric field? Explain. + H3N- CH-C- CH-CH3 CH2 CH3

A: Given structure is :  Will the following amino acid migrate in the electric field = ?

Q: 15. Which of the following IS NOT a characteristic of a protein's overall conformation? a. The…

A: The given statements - a. The overall three-dimensional architecture of the protein is correct.…

Q: The term used to separate a mixture of enantiomers of amino acids using chiral reagents? A)…

A: When enantiomer of mixture are separated using chiral reagent is called isomeric resolution . In…

Q: Draw the molecule arginyl-alanyl-histidyl-cysteinyl-isoleucyl-asparagine at pH 7. List the name of…

A: As per the policy, we are only allowed to answer only first question. For the answers of other…

Q: 7. Determine the net charge at pH 6 on each peptide shown below. The pKa's of relevant side chain…

A: We have to determine the net charge on the peptide

Q: Originally the amino acid itself was considered to be used as a flavor enhancer, but MSG was…

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Q: For each amino acid [RCH(NH2)COOH], draw its neutral, positively changed, and negatively charged…

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Q: Modify isoleucine to show its structure at pH 1 and pH 13. Modify each amino acid by adding or…

A: Detail description is given below