R. OH CO, DMF

Q: 12. Draw the products of the acid-catalyzed hydrolysis of the peptide shown below: H₂N. OH OH HCI…

A:

Q: Draw the structure of the following molecule The amino acid lysine at pH 12

A: At pH > 10.5 , Lysine remains in deprotonated state.

Q: Draw both enantiomers of each amino acid and label them as D or L: (a) methionine; (b) asparagine

A: The enantiomers of amino acids methionine and asparagine has to be drawn and labelled as D (or) L.

Q: 19. Where do the following enzymes cleave peptides at? (i.e. what residue) carboxypeptidase trypsin…

A: In this question, we will see that where do the following enzyme clevage peptide bond in peptide…

Q: Protease enzymes cleave proteins by hydrolyzing peptide bonds. The strategy for each type of…

A: A reaction is a process by which a reactant is converted to a product. The reaction mechanism is the…

Q: What reaction conditions are needed to achieve complete peptide hydrolysis to its amino acid…

A: 1- In this question, first we will discuss about Reaction conditions for peptide Hydrolysis, then we…

Q: A chemist attempted the following synthesis but obtained only a very low yield of the desired…

A:

Q: :0: :NH2 NH3 NH, CN" hydrolysis R `H R CN R a-amino acids can be prepared by the Strecker synthesis,…

A: - anion abstracts the most acidic proton  - also hydrogen linked to nitrogen is also acidic proton

Q: Identify one amino acid from each of the following categories: H2N -CH- HO- H2N -CH- HO- H2N -CH- OH…

A:

Q: If H218O is used in the hydrolysis reaction catalyzed by lysozyme, which ring will contain the…

A: Lysozymes here is a glycoside hydrolase. This can harm the bacterial cell dividers by catalyzing the…

Q: Show the mechanism and explain how the Ala-Val-Ile peptide bond is formed.

A:

Q: Humans can synthesize nonessential amino acids from other compounds, whereas essential amino acids…

A: Humans can synthesize non-essential amino acids from other compounds, whereas essential amino acids…

Q: Draw the mechanism for the reaction that removes an Fmoc group from an amino acid under these…

A: The mechanism for the reaction that removes an Fmoc group from an amino acid under the given…

Q: Draw all the steps in the synthesis of each peptide from individual amino acids: (a) Gly–Ala; (b)…

A: The first step involved in the synthesis of dipeptide Gly-Ala is protection of amine group of Gly…

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: What is the sequence of the peptide given the following hydrolysis products? What is/are the…

A: The purpose of this question is to show the hydrolysis products indicate the presence of amino acid…

Q: Draw a mechanism for the hydrolysis of the peptide bond in aspartame. Include all arrow pushings

A: Introduction: Amino acids are the organic molecules which consist of carboxylic acid, an amino group…

Q: Draw the mechanism for the reaction that removes an Fmoc group from an amino acid under the…

A: The given reaction is,

Q: Propose a synthesis for the peptide leu-lys-cys

A: Detail synthetic route is given below

Q: Which

A: We have to choose Correct option

Q: Which of the following amino acid side chains can aid the departure of a leaving group?

A: The given amino acid side chains are,

Q: What amino acid is formed when the following a-keto acid accept the amino group? pyruvate

A: Alpha keto group is converted into amino group & a amino acid. in this question Alanine is…

Q: The structure shown here is best described as a(n) CH3 H H H₂N N -OH H3C H HH OH CH3 O zwitterion O…

A: Correct answer is - Option D, Tetrapeptide

Q: With reference to the following peptide: (a) Identify the N-terminal and Cterminal amino acids. (b)…

A: In given model the black ball represent carbon atoms, white represent hydrogen atoms, blue…

Q: Hell-Volhard Zelinsky reaction provides a product needed to synthesize amino acids. Select one: O…

A: Organic reactions are those in which organic reactant react to form organic products.

Q: How is this compound synthesized with its chemical reaction mechanism

A: Let us discuss the step by step process of aspartame synthesis.

Q: The reaction of ninhydrin with an a-amino acid occurs in several steps to yield a purple colored…

A: In the given step of the reaction mechanism, nitrogen has alone pair of electron which it donates to…

Q: How does the direct oxidative deamination of L-amino acids different from glutamate occur? 1) the…

A: Oxidative deamination of the amino acids refers to the removal of alpha-carboxylic group resulting…

Q: (1) Give the names of the two amino acids used to form the dipeptide shown below. Cy, N=c=N Ph Ph…

A: (i) The amino acids are: N-Boc-L-alanine , L-leucine methyl ester

Q: Provide the product and determine L or D amino acid

A: In this chemical reaction,  Lithium diisopropylamide (LDA), is a very strong base and is bulky in…

Q: Show how you would synthesize any of the standard amino acids from each starting material. You may…

A: The corresponding amino acid can be formed by the application of using various name reactions using…

Q: . In bacteria much of the putrescine is synthesized, not from ornithine but from arginine, which…

A: Putrescine is a 1,4-diaminobutane, it is used as a monomer to synthesize polymers widely used in…

Q: Provide the correct one-letter abbreviation for the following amino acld! O H3N-CH-C-0 CH₂ SH

A: What is one letter abbreviation for the given amino acid ?

Q: HN HN B: Enzyme? CH, HN-R HN-R A: Name? C: Name? Dowload a Provide A. B and C in the above reaction…

A: The numbering in the compound A can be shown as follows:

Q: The phosphodiesterase that catalyzes hydrolysis of cyclic AMP is inhibited by caffeine. What overall…

A: The phosphodiesterase that catalyzes hydrolysis of cyclic AMP is inhibited by caffeine. What overall…

Q: Which of the following amino acid side chains can help remove a proton from the a-carbon of an…

A: The given molecules are represented as follows:

Q: Serine esterase contains a catalytic triad at its active site. Which amino acid in serine esterase…

A:

Q: Provide the correct three-letter abbreviation for the following amino acid: O || H₂N-CH-C-OH I CH₂ I…

A: Amino acids contain carboxylic acid and an amine functional group on the same carbon atom. Amino…

Q: Identify the correct enzyme classification for the reactions shown below: (A) (B) NADH + Hr NAD…

A: Enzymes catalysed the biochemical reaction. Enzymes are essential for digestion, function of liver…