what is the n-terminal AA residue? use one-letter code for amino acid
Q: If a protein is created via the translation of 705 nucleotides, including a start and a stop codon,…
A: The translation is a process in which an mRNA is read and then a polypeptide, made up of different…
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A: Replicase is an enzyme that has the capability to replicate nucleic acids. Enzymes are usually…
Q: What amino acid sequence is encoded by the codon sequence ACGCAGCGCCCGGUC? Use the 3 letter…
A: The amino acids are produced by the help of ribosome in the process of translation. In this process…
Q: What is a codon and on what kind of nucleic acid is it found?
A: A codon is a sequence of three DNA or RNA nucleotides that corresponds with a specific amino acid or…
Q: what is the c-terminal AA residue? use one-letter code for amino acid
A: The amino acid can be defined as the organic compound that comprises an amino group at one end and a…
Q: What is the name of an RNA sequence that codifies one amino acid?
A: RNA or Ribonucleic acid is a polynucleotide containing ribose sugar, phosphate and nucleotide bases…
Q: If the sequence of amino acids encoded by a strand of DNA is serine-alanine-lysine-leucine, what is…
A:
Q: How many codons are possible for an RNA trinucleotide having an adenine base, a cytosine base, and…
A: Genetic code is a triplet codon that was present on deoxynucleotide [DNA] or ribonucleotide [RNA]…
Q: What are the codons for the variations amino acid?
A: Amino acids are organic compounds that combine to form proteins, which are the building blocks of…
Q: What do you mean by myristylated N-terminus?
A: N-myristoylation is the process in which myristic acid is attached to N-terminal glycine. It occurs…
Q: What is a codon?
A: More than 150 amino acids are found in nature , but only 20 are synthesized during protein…
Q: What would be the effect of an insertion or deletion of one of the bases in a codon?
A: Mutation may be defined as change in single or multiple base pairs resulting in altered phenotype.…
Q: If there are 64 possible codons in the genetic code and the amino acid is specified by each, as read…
A: Protein synthesis is described as the process that ultimately results in the formation of proteins.…
Q: If you have a given amino acid, can you be able to identify its RNA? Why or why not?
A: The protein is made up of amino acids and it is the final product of a gene. It determine the…
Q: How many bases are in one codon? *
A: A codon is a sequence of three RNA nucleotides on the messenger RNA (mRNA) that corresponds with a…
Q: Why must a polypeptide sequence begin with a designated Start codon?
A: There is an intimate connection between genes and synthesis of polypeptides or enzymes. Genes are…
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: What effect does the amino acid proline have on an a-helix? Explain this effect.
A: In proline, the R group backbonds with the nitrogen of the amino group. It forms a ring structure…
Q: List possible codon sequences for the following amino acids.(a) Val (b) Phe (c) Asn (d) Gly (e) Met
A: Amino acids are coded by trinucleotides sequence is known as the codon. The first two positions in…
Q: What is the third base wobble position? How could third base wobble pairing occur between codon and…
A: The question asks about the third base wobble position. The occurrence of third base wobbles pairing…
Q: How many possible nucleotide sequences could code for a peptide with the sequence "MRRTGERS*"? (Note…
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Q: What are the properties of the wild type amino acid, Tyrosine at position 368? Hint: the amino…
A: Tyrosine is an aromatic protein.
Q: What amino acid does the codon AGC code for? Use the chart below. Thr (threonine) Arg (arginine)…
A: Genetic code was discovered by crick. It is the sequence of nitrogen bases in mRNA molecule which…
Q: What is the start codon? What are the stop codons? Do any of them code for amino acids?
A: Start codon can be defined as first codon of a messenger RNA transcript which is translated from a…
Q: how many polypeptide chain is the product of translation?
A: Amino acids are the building blocks of proteins, and each amino acid has a specific structure. The…
Q: What codons are used and with what frequency?
A: mRNA is translated to form proteins. mRNAs contain trinucleotides sequences that are called codons.…
Q: How many different sequences of mRNA could encode a peptide with the sequence…
A: mRNA is decoded by the cells by reading their nucleotides in groups of three known as codons where…
Q: What would the peptide sequence be like after translation?
A: Translation is the process by which polypeptide or protein is produced from the mRNA by the help of…
Q: How many RNA bases are Explain your answer. required to code for a protein that contains 250 amino…
A: Transcription is the process in which one stranded mRNA is synthesized from two stranded DNA…
Q: What are e coli's 3 stop codons?
A: Terminating protein interpretation precisely and productively is basic for both protein devotion and…
Q: What base is missing in RNA and what base replaces it?
A: DNA and RNA are are nucleic acids present in the organisms. DNA is the deoxy ribose nucleic acid…
Q: Write the codons for the following amino acids. 1. Phe 2. Val
A: Genetic codon: - It is the 3 nucleotide sequence of DNA and RNA, all bases are involved in formation…
Q: What amino acid sequence is coded for by the mRNA base sequenceCUC-AUU-CCA-UGC-GAC-GUA?
A: The sequence of a protein is notated as a string of letters, according to the order of the amino…
Q: How can you identify the start codon in the mRNA sequence ?
A: mRNA sequence During the process of translation, mRNA is read on the basis of genetic code that…
Q: How many nucleotides in a row make one codon?
A: A codon is a sequence of DNA or RNA nucleotides that corresponds with a specific amino acid.
Q: Where is the amino acid located at position 368 (TYR) in relation to secondary structures?
A: Tyrosine, is an essential amino acid, is also an aromatic amino acid. It is derived from…
Q: What is the sequence of bases for the start codon and what amino acid is made?
A: Proteins are the ultimate products of the genes. DNA is transcribed into m RNA and this is…
Q: What is the significance of the positioning of the amino acid side chains and alpha carbons as you…
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A: Asked : Term for the triplet of nucleotides that codes for an amino acid
Q: How many cases are there in which it would be possible to identify the first two nucleotides of a…
A: Codon is a three nucuclotide sequence on mRNA that determines the amino acid sequence in newly…
Q: What amino acids do the following sequences code for?(a) AUC (b) GCU (c) CGA (d) AAG
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Q: What happens when one nucleotide pair is lost from themiddle of the coding sequence of a gene?
A: Gene is a stretch of DNA that codes for a particular polypeptide chain.
Q: For each codon, provide the anticodon and the three-letter abbreviation of the amino acid for which…
A: During translation, codons in an mRNA are read, starting with a start codon and continuing until a…
Q: How many codons are needed to specify one amino acid?
A: We know Codon are triplet of nucleotide.
Q: What useful information might you get if you did determine the N-terminal amino acid as a separate…
A: N-terminal amino acid : Within a peptide, the amine group is bonded to another carboxylic group in a…
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Q: Which of the following is/are codon/s for Glutamic Acid? O CAA GAA O GAG O GAA & GAG CAA & CAG
A: Codons are tri-nucleotide sequences of a DNA or RNA molecule which code to specific amino acid, as…
Q: In hinge region, what is the most prominent amino acid existing? A B C D E proline G F
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A: Mutations are changes in the architecture of a gene, which is the fundamental unit of inheritance.…
what is the n-terminal AA residue? use one-letter code for amino acid
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- A decapeptide was isolated from a thermophilic bacteria. Treatment of this peptide with 2- mercaptoethanol gave 2 pentapeptides. Further analysis of this peptide gave the following data: Trypsin: (M,Y), (K,Y,M), (K, 2A, 2C) Chymotrypsin: (2K, 2A, 2C, Y), (M), (Y,M) What is the primary structure of the decapeptide? Thank you.A peptide composed of 40 amino acids (aa) was isolated from the venom of the Gila Monster(Heloderma suspectum, then submitted to various biochemical and chemical treatments.1) After a treatment with a highly specific chymotrypsin, four peptides were generated:- peptide A (6 aa)- peptide B (16 aa)- peptide C (3 aa)- , and peptide D (15 aa)2) Treatment with carboxypeptidases A or B resulted in the release of:- phenylalanine for peptides A and B- tryptophan for peptide C- glycine for peptide D and the 40 amino acids venom peptide3) One cycle of Edman degradation either for peptide A or for the 40 amino acidspeptide gave the exact PTH derivative indicated below: 4) The 40 amino acids peptide treated with Asp-N endopeptidase followed by massspectrometry MS/MS revealed the following composition:- two molecules of glutamic acid,- various peptides indicated below sorted by masses:HG,DLSKQM,EGTFTS,EAVRLFI,EWLKNGGPSSGAPPPSG Information- Chymotrypsin (endopeptidase) hydrolyzes peptide bonds on…you have isolated the following peptide: His-Ser-Arg- Ala-Glu- Leu- Pro- Gly Calculate the approximate charge of the peptide at Ph 1, 3, 5, 8, 11, 14 AND what is the PI of this peptide?
- The oligopeptide isolated from the brain of an animal has the sequence glu-his-tri-ser-tyr-gly-leu-arg-pro-gly. Determine the total charge of the molecule at pH 3.0; 5.5; 11.0. In which pH range there is the isoelectric point of the peptide?You have isolated the following peptide: His-Ser-Arg-Ala-Glu-Leu-Pro-Gly A) Calculate the approximate charge of this peptide at pH 1, pH 3, pH 5, pH8, pH 11, and pH 14. B) What is the PI of this peptide?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 ?.
- Write the structure of the following peptides: 1. glycyl alanine 2. tyrosyl alanyl glycine 3. phenylalanyl tyrosyl seryl histidine 4. valyl glycyl cystein 5. seryl methionineVII. Analysis of a peptide antibiotic purified from a strain of Bacillus brevii resulted in the following significant information: Complete hydrolysis of the peptide yielded equimolar amounts of Leu, Orn, Phe, Pro, and Val Molecular weight of the peptide was estimated to be aroung 1,200 Da The peptide failed to undergo hydrolysis when treated with carboxypeptidase Partial hydrolysis and then chromatographic separation of products yielded the following di- and tripeptides: Leu-Phe, Phe-Pro, Orn-Leu, Val-Orn, Val-Orn-Leu, Phe-Pro-Val, Pro-Val-Orn Treament with dinitrofluorobenzene (DNFB) followed by complete hydrolysis yielded only free amino acids and the DNFB-derivatized ornithine at its side chain Using this set of information available to you, deduce the amino acid sequence of this peptide antibiotic. Write your final peptide sequence only using 3-letter abbreviations.You have isolated from a rare fungus an octapeptide that prevents baldness and you wish to determine its amino acid sequence. The amino acid composition is K2, D, Y, F, G, S, A. Reaction of the intact peptide with dansyl chloride yields dansyl-A. Cleavage with trypsin yields peptides whose compositions are: (K, A, S) and (G, F, K) plus a dipeptide. Reaction with chymotrypsin releases free D, a tetrapeptide with composition (k, S, F, A) and a tripeptide whose composition following acid hydrolysis is (G, K, Y). The enzymatic digests are each carried out on the whole, undansylated peptide.What is the sequence?
- Consider the peptide Trp-Arg-Glu-Cys-Gly-Tyr. For the drawings requested below, please show them in zig-zag style, from amino to carboxy terminus, with correct stereochemistry Draw the predominant form at pH = 2 Draw the predominant form at pH = 5 Draw the predominant form at pH = 7 Draw the predominant form at pH = 12Treatment of a polypeptide with 2-mercaptoethanol yields two polypeptides 1. Ile—Val—Cys—Arg—Thr—Gly—Cys—Lys—Asn—Phe—Leu2. Trp—Lys—Cys—Phe—Arg—His—Thr—Lys—Cys—SerTreatment of the intact polypeptide with trypsin yields fragments with the following aminoacid compositions(Arg, Cys2, Ile, Ser, Val)(Arg, Cys2, Gly, Lys, Thr, Phe)(Asn, Leu, Phe)(His, Lys, Thr)(Lys, Trp)Edmands chemistry reveal the following PTH derivatives in equal quantity after cycle 1• PTH--Ile and PTH--Trp a) Rewrite the intact polypeptide, by indicating the positions of the disulfide bonds(Indicate your reasoning) b) How many products do you expect after chymotrypsin cleavage of the intactpolypeptide? c) You are performing an isoelectric focusing experiment (IEF) on a gel with a pH range of 2to 14. Indicate on the diagram below at what point along the gel will peptide 1 abovefocus, in the presence (X) and absence (Y) of DTT. (also show your calculations)The sequence of a 29 aa long peptide can be determined from the following data: Treatment of the peptide with dansyl chloride reveals that the amino-terminal is Val. Trypsin digestion, separation of peptides, and Edmann technique give the sequences for peptide fragments as follows: T-1 V-G-A-H-A-G-E-Y-G-A-E-A-T-E T-2 A-A-W-G-KT-3 V-L-S-P-A-K T-4 T-N-V-K