A peptide contains equimolar amounts of lysine, phenylalanine, tyrosine, and glycine. Treatment with trypsin yielded a fragment that contains lysine and glycine; and another fragment that contains phenylalanine and tyrosine. Treatment with carboxypetidase yielded phenylalanine. is the name of the N-terminal amino acid is the name of the 3rd amino acid from the N-terminal is the name of the 3rd amino acid from the C-terminal is the one letter abbreviation for the C-terminal amino acid is the % glycine in the peptide

Q: Why is it no longer considered necessary to determine the Nterminal amino acid of a protein as a…

A: N-terminal amino acid : The N-terminal is the start of a protein or polypeptide referring to the…

Q: A peptide was cleaved into two smaller peptides with cyanogen bromide (CNBr) and into two different…

A: The given peptide sequences are: CNBr 1: Gly-Thr-Lys-Ala-Glu CNBr 2: Ser-Met Tryp 1:…

Q: A peptide has the following amino acid composition: 2 Met, 2 Phe, 2 Glu, 1 Arg, 1 Lys, 1 Val, 1 Leu,…

A: Small molecules called amino acids form the building blocks of proteins. In chemistry, an amino acid…

Q: the peptide (written N-terminal to C-terminal) represented by Ala-Ser-Ala-Tyr the same as the…

A: Ans. Yes, the polypeptide chain of amino acid will be Similarly in structure and function whether it…

Q: How is the peptide shown named (give each 3-letter name for the amino acids present)? Whichamino…

A: The peptide is made up of amino acid. The sequence of amino acid in this peptide is N - Val-Phe-Trp-…

Q: The codon chart below shows that adenine-uracil-guanine (AUG) codes for the amino acid methionine,…

A: CENTRAL DOGMA:- The whole process of Central Dogma involves two processes:- 1) Transcription- When…

Q: The peptide below NH-CH- HẠN CH- ČH, -NH-CH- NH-CH- NH-CH- OH CH2 CH2 CH2 HN-ç=NH, NH2 CH2 CH HO-CH,…

A: Amino acids are the building blocks of peptides. The net charge on a peptide depends on the sequence…

Q: Illustrate the structure of a peptide with the given sequence below at the given conditions.…

A: Hi! Thanks for your question. As you have posted multiple questions, we are answering the first…

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: Lactose permease, a protein of E. coli, is composed of a singlepolypeptide that is 417 amino acids…

A: Translation is the process by which the protein is synthesized by reading the codons in mRNA. The…

Q: How many ways can four different amino acids be arranged in a peptide so that each peptide is…

A: Amino acids are organic compounds that contain amine (-NH2) and carboxyl (-COOH) functional groups,…

Q: Digestion of a peptide with trypsin generates two smaller peptide products: methionine-glycine and…

A: pepsin is a serine protease that cleaves the bond present in the C-terminal of amino acids Lysine…

Q: A pentapeptide was found to increase the rate of hydrolysis of fats in the adipose tissues to…

A: *Electrophoresis is a technique used to separate genetic materials like DNA and RNA and  protein…

Q: How many peptide bonds are present in peptide 1? What is the N-terminal amino acid in peptide 2?…

A: Peptides are made up of amino acid joined together by peptide bond. Peptide bond is formed between…

Q: Show where trypsin and chymotrypsin would cleave the following peptide…

A: Amino acids are joined together by a peptide bond to form a polypeptide chain called protein.…

Q: Three polypeptides, the sequences of which are represented using the one-letter code for their amino…

A: Proteins are composed of amino acids, which are bound together by peptide linkage. Amino acids…

Q: Identify the sequence of the peptide below. H CH2 CH,…

A: The peptide bond is formed between carboxyl group of one amino acid and amino group of other amino…

Q: Why do amino acids other than methionine occur in the Nterminal position of proteins from…

A: Translation starts with the binding of the ribosomal subunit to a sequence on the mRNA chain.…

Q: The following steps were performed using enzyme cleavage of a peptide to determine its amino acid…

A: Sequence of amino acids in a peptide are determined by treating the peptide with different agents…

Q: Why are amino acids called a-amino acids and why are they designTed as L-form?

A: Amino acids can be defined as the organic compounds that form proteins. They serve as the building…

Q: Give the name for the peptide

A: Amino acids are organic compound having two functional group namely carboxyl and amino. A peptide is…

Q: Which abbreviation is this following peptide? GKH QGR HK GHK GHL

A: Proteins are composed of amino acids, which are bound together by peptide linkage. Amino acids…

Q: When answering the questions below, please use the ONE-LETTER CODE for the amino acid, with NO…

A: The determination of primary structure of a protein is crucial since the sequence of the protein…

Q: Reaction of the  α-carboxyl group of an amino acid or peptide with  phenylisothiocyanate allows for…

A: Above statement is about Edman degradation. It ia a method of DNA sequencing.

Q: This diagram shows the allowed rotations about the backbone of a peptide: Sigmoidal Curve Homology…

A: The amide group (CO-NH) is referred as peptide peptide group and has a rigid planer structure. The…

Q: Which of the following peptides will likely form a loop or turn in a protein and explain why

A: The turns are the third type of secondary structure. These are short, U-shaped secondary structures,…

Q: A solution of a peptide of unknown sequence was divided into two samples. One sample was treated…

A: Only twenty of the available amino acids are often present in proteins among all the possible amino…

Q: Determine the amino acids that compose the peptide shown below.

A: Amino acids are compounds with a carboxyl group and amino group attached to the same carbon atom.…

Q: Which amino acid is NOT associated with the oligopeptide given by the shorthand notation GRFAV?…

A: Biological macromolecules are those large molecules that are necessary for the survival and growth…

Q: How do you think incorporating a-methylserine into a peptide would affect the structure and/or…

A: proteins are made up of amino acids . amino acid polarity and peptide struture depends upon the side…

Q: what is the correct way of drawing a peptide backbone?

A: A peptide  is a compound consisting of two or more amino acids.

Q: What are the sequences of all the possible tripeptides that contain the amino acids aspartic acid,…

A: The polypeptide chain is made up of amino acids which are joined by the polypeptide chain.

Q: A peptide digested with trypsin produced the following three fragments: C, ASFPK, GGRWDGK The same…

A: Proteolysis or protein digestion is the process of breaking down of proteins using enzymes known as…

Q: A heptapeptide was analyzed by Pinky. She reacted it with carboxypeptidase and found out that it…

A: Protein sequencing is the method used for determining the amino acid sequence or the primary…

Q: Correct statement regarding nucleotide structure   removal of the ribose-phosphate group from…

A: DNA and RNA are made up of long chains of nucleotides. Sugar molecule, ribose in RNA, and…

Q: Draw a peptide from the given amino acids Phe-Cys-Ala-Arg-Ala-Ser-Tyr. Try to cleave this…

A: Pepsin has a broad cleavage specificity but has a greater propensity to cleave near hydrophobic…

Q: Based on the following image, what is the N-terminal AA residue, C-terminal AA residue? What is also…

A: With 2,4-Dinitrofluoro benzene forms DNP-Thr so, the N-terminal aminoacid is Thr with Trypsin :…

Q: All are both ketogenic and glucogenic amino acids except   Group of answer choices Tyrosine Arginine…

A: Gluconeogenesis is the process by which some amino acids can be converted into glucose. As a step in…

Q: polypeptide is made up of ten isoleucines, then ten tyrosine, and lastly one glutamic acid. What…

A: A protein or a polypeptide is made up of Amino acids linked together by peptide bonds. Each and…

Q: Draw out this peptide using condensed or line-bond structures: His-Thy-Phe-Cys-Glu examine your…

A: Given sequence,  His-Thy-Phe-Cys-Glu His - Histidine  Thr - Threonine Phe -Phenylalanine Cys -…

Q: Draw a peptide with 2 or 3 amino acids from the name Emily

A: Peptides are formed by the joining of the amino acids by the removal of water via the condensation…

Q: Identify the 20 amino acids and their corresponding three-letter and one-letter abbreviations

A: Amino acids are the building units of proteins. Each amino acid has a central carbon atom which is…

Q: Indicate whether each of the following amino acids is polar: a. lysine b. tyrosine c. leucine d.…

A: Amino acids are classified based on the polarity of the R group present in the side chain. polar…

Q: Determine the kind of non-covalent interaction occuring between the side chains of the following…

A: Non-covalent interaction determines the shape of the macromolecules. There are four major…

Q: Draw the peptide formed between asparagine and histidine. H,N-CH-ċ-OH H,N- -CH—С—он CH2 ČH2 N° NH2…

A: Introduction: Proteins are one of the major macromolecules that helps in the structure and function…

Q: Draw a peptide for cys-asn- pro-gly (Using the same format in picture)

A: Proteins are the building blocks of life. Proteins are made up of amino acids. Amino acids when they…

Q: Assign IUPAC names to each of the following small peptides.Gly-Ala-Leu…

A: The international union of pure and applied chemistry (IUPAC) name of a peptide refers to the full…

Q: What would be the structural formula of the oligopeptide if the amino acids are arginine, glutamine,…

A: Proteins are unbranched polymers constructed from 20 standard α-amino acids. They have four levels…