The pH at which the Lysine R-group is 20 % dissociated is:

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: is amino acid 213 in 1mry is THR ?

A: 1MRY crystal structure represents the structure of the akt2 kinase domain. It belongs to a…

Q: What is the expected molecular weight of the protein encoded by the sequence provided here:

A: A protein is formed by various amino acids linked together by peptide bonds. By knowing the number…

Q: draw phosphatidylserine which contains cis-Δ9-hexadecenoate and cis, trans, cis-Δ9, Δ12,…

A: The phosphatidylserine with cis-Δ9-hexadecenoate and cis, trans, cis-Δ9, Δ12, Δ15-octadecatrienoates…

Q: Identify the following by describing their functions: EF-G, EF-Tu, EF-Ts, EF-P, and peptidyl…

A: Elongation factors are a set of proteins that function at the ribosome, during  protein synthesis,…

Q: Draw Glu-His-Trp-Ser-Gly-Leu-Arg-Pro-Gly peptide. What is the net charge of this peptide at pH 3, 8…

A: polypeptides are made up of amino acids that are joined together by peptide bonds (covalent in…

Q: Sketch the titration curve for the amino acid alanine with pka1 = 2.34 and pka2 = 9.69.

A: Titration can be referred to as the effect of pH on amino acid structure. Titration curve of amino…

Q: In pyrimidine nucleosides the anti conformation predominates because of steric interactions with…

A: Pyrimidine nucleosides have anti-conformation as the oxygen molecule present on the second carbon is…

Q: Can you please help me how to draw tripeptide ile-leu-arg and indicate the torsion angles phi and…

A: Amino acids are organic acids that contain both carboxylic acid group as well as amine groups. The…

Q: 1. List the mRNA base codons for the amino acids listed below. 2. a) aspartate: b) lysine c)…

A: mRNA base codons are sequences of three nucleotide bases (adenine, guanine, cytosine, or uracil) in…

Q: What is lidocaine (Xylocaine)?

A: Lidocaine - Lidocaine, also known as lignocaine, is a local anaesthetic of the amino amide type. it…

Q: Name the dipeptide using three-letter abbreviations.

A: A dipeptide is composed of 2 amino acid residues linked via a peptide bond. The amino acids can be…

Q: Draw all the possible tripeptides of serine, methionine, and glycine and name them.

A: The peptides that are made up of three amino acid sequence are termed tripeptides. These amino acids…

Q: Polyphosphate (poly-P) Exopolysaccharides (EPS) • Autoinducers (AI) • Guanidine tetraphosphate…

A: Answers Rnase is an enzyme that is used to degrade the RNA molecules. While HipAB is a…

Q: What is the pI value for the dipeptide Gly-Ala?

A: The pI or isoelectric point is the pH value at which the molecule or the peptide carries no electric…

Q: (b) Account for the observation that the trans-,2-dibenzoylethylene appears yellow in color, whereas…

A: 1,2-dibenzoylethylene can exist in two forms, trans and cis due to lack of rotation about it's C-C…

Q: Define gamma-crystallin.

A: Crystallin is a water soluble  structural heat shock proteins. They are mainly found in the lens and…

Q: Explain the binding problem.

A: The brain is one of the organs of the central nervous system, along with the spinal cord. It is…

Q: Write the name of the oligopeptide L-E-T-S-P-R-A-Y using their full amino acid names. Draw the…

A: Amino acids are molecules that serve as monomers for proteins. Each amino acid is composed of a…

Q: The tripeptide +H3N-Leu-His-Glu-COO- has pKa  values of 2.2, 3.6, 6.0 and 9.1.  The  isoelectric…

A: Isoelectric point (pI) is the pH at which there is no net charge on the molecule. For a amino acid,…

Q: The OH group of the serine side chain (R-OH) can undergo dissociation to form R-O- and H+. However,…

A: The proteins are constituted of amino acids linked via peptide linkages.The side chains of amino…

Q: The pK₂ of the x-carboxyl group of serine is 2.21, and the pKa of its a-amino group is 9.15.…

A: pKa is the pH at which a weak acid is 50% dissociated. % ionisation of a weak acid = % ionisation of…

Q: Define the term and describe the autoantibodies presentin SLE.

A: Antibodies are Y-shaped compounds produced in the body in response to foreign agents. These are…

Q: What does the high-energy molecules adenosine triphosphate fforms and reduced forms of nicotinamide…

A: A high-energy molecule is adenosine triphosphate (ATP). It is created by cells and used as a source…

Q: a. d(pAACGTCTC) b. pGUAACUGC

A: Oligonucleotides are the short DNA or Rna molecules known as oligomers.

Q: PLEASE DRAW the structure of the peptide: Val-His-Leu-Thr-Pro-Val-Glu-Lys-Ser-Ala-Val-Thr and…

A: Amino acids are the biomolecules that are made up of the amino group and a carboxyl group. The amino…

Q: Write the one letter code for the oligopeptide Ser-Cys-Ile-Glu-Asn-Cys-Glu and calculate the total…

A: On a logarithmic scale from 0 to 14, pH, or "potential of hydrogen," measures the acidity or…

Q: Identify the following amino acid at pH = 7 (aqueous form): (COO-)–CH(NH3+)–CH2–(COO-) aspartic…

A: Amino acids are the monomers that build up the protein. They are termed as amino acids because they…

Q: At what pH will you be able to separate the amino acids val, his and arg?

A: Amino acids are biomolecules with a central carbon bonded to 4 different groups. 3 of these 4 groups…

Q: What amino acid/s is/are isolated when Ala-Lys-Val-Phe—His-Tyr-Gly is treated with trypsin and…

A: Trypsin and chymotrypsin are serine proteases. Both these proteases catalyze the hydrolysis of…

Q: A mixture of amino acid lysine, alanine, aspartic acid is subjected to an anionic exchanger…

A: In anion exchange chromatography, molecules can be separated based on their charge properties. It is…

Q: write the one letter code for oligopeptide ser-cys-ille-glu-Asn-cys-glu and calculate the total…

A: Before calculating the total charge on the peptide, we need to be thorough with the principle behind…

Q: Explain the following given terms: (a) Phenylketonuria, (b) Thalassemia.

A: Mutation: Normal DNA contains a particular sequence of DNA. If the sequence of DNA is changed due to…

Q: What products are formed when each peptide is treated with trypsin? Be sure to answer all parts.

A: Trypsin is a serine protease belonging to the PA clan that hydrolyzes proteins in the digestive…

Q: Draw the tetrapeptide Met-Ile-Lys-Glu at a ph of 12?

A: The pKa values of amino acid side chains play an important role in determining the pH-dependent…

Q: raw the complete structure of the tetrapeptide Val-Cys-Glu-Ser.

A: A peptide molecule is the sequence of an amino acid that is involved in the formation of a peptide…

Q: Draw the structure of the pentapeptide aspartic acid-serine-lysineUglutamic acidUtyrosine. Assume…

A: Protein is a polymer of amino acids connected together via peptide bond. Protein is the functional…

Q: Nucleotides containing ribose, thymine, and phosphate are not found in ribonucleic acids. Explain…

A: RNA consists of ribonucleic acid, which exhibit ribose, and nitrogenous bases.

Q: At a pH of 10, would you expect this peptide to be retained for a longer time within an anion…

A: Ion exchange chromatography separates molecules based on their charge difference. A cation exchange…

Q: Draw the structure of the dipeptide Thr-Cys at pH7

A: Amino acids are the building blocks of proteins that are the largest nitrogen-containing compounds…