What are the properties of the wild type amino acid, Tyrosine at position 368?  Hint: the amino acids are numbered in order starting at the N-terminus.

Q: It is conceivable for codons encoding a single amino acid to share the first two bases while…

A: Protein synthesis occurs in all organisms in two main steps: transcription and translation. DNA…

Q: Draw a tripeptide only containing Alanine

A: Amino acids are the building blocks of proteins which are composed of amino group (NH3+), carboxyl…

Q: You isolate a peptide that has the sequence Met-Val-Arg-Gln-Leu-Tyr-Lys-Trp Predict whether the…

A: Amino acids are compounds containing Carbon, hydrogen, oxygen and nitrogen and serve as monomers…

Q: Why is it important to identify the N-terminal residue(s) of a protein?

A: Protein is composed of a long chain of amino acids, which are joined by a peptide bond. These…

Q: How do you identify the N vs C terminals?  For the first part of the question, do you then list the…

A: Amino acids are the monomers of a polypeptide or protein. Amino acids contain an amino (-NH2) group…

Q: (b) r , The following polypeptide sequence has three alpha helices and two B turns. Based on what we…

A: An amino group and an acid group-containing organic molecules are called Amino acids.…

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: 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: SYNZIPS are a-helices that can be used in synthetic biology to create coiled-coil interactions…

A: Secondary structure of protein describes the special arrangement of its main chain atoms, without…

Q: Given the polypeptide chain below: Ala-Arg-Val-His-Asp-Gln 1. What is the N-terminus? 2.What is…

A: The organic molecule is comprised of two functional groups that are an amino group and the carboxyl…

Q: Disulfide bonds have been shown to stabilize proteins (i.e., make them less likely to unfold).…

A: Disulfide bonds are considered the covalent bond, which is formed between the two cysteine residues.…

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: The structures of tRNAs contain several unusual bases in addition to the typical four. Suggest a…

A: The transfer RNA or tRNA acts as an adaptor molecule that is responsible for decoding the codons,…

Q: Why do amino acids other than methionineoccur in the N-terminal position of proteins from…

A: The N-terminal end of a protein is defined as the start point of the protein. It is called the…

Q: The following RNA sequence represents a small messenger which can be translated in a prokaryotic…

A: The first step in translating an RNA sequence into a protein is to divide the sequence into codons,…

Q: Consider the following in light of the concept of levels of structure (primary, secondary, tertiary,…

A: In double stranded DNA structure two strands run in anti-parallel directions through base pairing…

Q: Why would the mutation Ile -> Asp be likely to destabilize a protein? Why would the mutation Ile…

A: Mutations in proteins' amino acid sequences can have an impact on their stability. Long sequences of…

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: Give two reasons to explain why a proline residue in the middle of an a helix is predicted to be…

A: Proline either breaks or kinks a helix.

Q: Which form of flavin adenine dinucleotide is the "reduced" form, FAD or FADH2? Explain

A: Flavin Adenine Dinucleotide: It is a redox active coenzyme associated with various proteins, which…

Q: The adenine derivative hypoxanthine can base-pair with adenine. Draw the structure of this base…

A: A Wobble base pair is the pairing between two nucleotides in RNA molecules that does not follow…

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: You are in the process of determining theamino acid sequence of a protein and must reconcile…

A: In the first trial, the protein has glycine at the amino terminal while asparagine at the carboxyl…

Q: Many blood clotting proteins undergo a post-translational modification in which specific glutamic…

A: Post Translational Modifications (PTM) of such complexity is only observed in eukaryotes and not in…

Q: What is the direct consequence of the hydrophobic effect that stabilizes the double helix

A: Approach to solving the question: Detailed explanation:In an aqueous environment, the hydrophobic…

Q: Although the Shine-Dalgarno sequences vary considerably in differ- ent genes, they include examples…

A: Introduction: The small piece of DNA that code for protein referred as genes. It is the functional…

Q: TRUE OR FALSE a) The structure of the purines and pyrimidines make them able to undergo keto-enol…

A: Purines and pyrimidines are nitrogen-containing aromatic compounds. They are the major components of…

Q: Consider a mutation that results in a substitution of Cysteine (CYS) ) for Tyrosine (TYR) at…

A: Cysteine is a polar amino acid.  Cysteine is a triprotic acid with three ionizable functional…

Q: Why is selenocysteine called the 21st amino acid when there are many more amino acids found than the…

A: Introduction: The 21st proteinogenic amino acid is selenocysteine. It is an essential amino acid.…

Q: The neighboring amino acid that TYR 368 interacts with is ILE 160. What are the properties of the…

A: Amino acids are natural mixes that contain amine and carboxyl functional groups, alongside a side…

Q: You have discovered a novel protein that has a pI = 5.5. To study the functional properties of this…

A: The functional properties of the new protein, has two amino acid changes—namely, a surface Phe…

Q: You could use absorbance at 280nm or colorimetric assays like the Bradford assay or bicinchoninic…

A: There are different methods present to measure the concentration of a given protein.

Q: Assume that the 3 polypeptide strands shown below form a parallel B-sheet. Select amino acids AA1,…

A: Beta sheet is one of type of secondary structure in which inter strand hydrogen bonds is formed…

Q: What amino acid would a tRNA with anticodon CUA carry? Enter the 3 letter code only [A]. [e.g. Met…

A: tRNA stands for the transfer RNA and it has L- shaped structure . Transfer RNA acts as an adopter…

Q: What is an anticodon and where is it located on the tRNA structure?

A: The anticodon is a distinctive three-nucleotide sequence present on transfer RNA (t RNA) molecules.…

Q: The primary amino acid sequence of a stretch of polypeptide is Asp-Glu-Pro-Lys-His-Arg. Would you…

A: Amino acids are biomolecules when combined with a peptide bond forms proteins. Proteins are…