Alpha helices are a type of secondary structure in proteins. What is the length of a 23.0 kDa single-stranded a-helical protein segment? Assume a mean residue mass of 110 Da. length: 209 Incorrect

Q: 3b) Both a-helical 2° structure and b-pleated sheet 2° structure result from the same type of…

A: Proteins are the unbranched polymer of amino acids. They have four different level of structural…

Q: How many alpha helices comprise this structure (2JHO-myoglobin)? Number the helices with helix 1 at…

A: The α-helix is a polypeptide backbone & a structural unit that can be distinguished to shifting…

Q: 1) What are the four levels of protein folding. How do you distinguish those different levels? What…

A: The proteins are macromolecules that have important functions in the biological activity. The amino…

Q: Consider an a-helix secondary structure. a. Propose a 12-residue amino acid sequence that(assuming…

A: In the study of protein structures, the alpha-helix is a prominent secondary structure characterized…

Q: As an example, consider albumin, a protein made of a single polypeptide weighing 66,000 daltons (66…

A: Gel electrophoresis if the technique of separation of molecules on the basis of their size and…

Q: A helical wheel is a two-dimensional representation of a helix, a view along its central axis  Use…

A: Amino acids are organic compounds that combine to form proteins.

Q: Describe the forces that are involved in the tertiary structure of a protein and give an example of…

A: A protein's biological function depends on its three-dimensional structure. The 3D structure is…

Q: o clarify, you should choose 3 amino acids for point A and al n those that you choose for Protein

A: Each amino acid has variable solubility in water.  Protein 1 is in cytosol. Cytosol is rich in water…

Q: What would you predict about the ratio of hydrophilic to hydro- phobic amino acid residues in a…

A: Before getting into the calculations, we have to assume that our globular protein have a spherical…

Q: Beta ( ? ) sheets are a type of secondary structure in proteins. A segment of a single chain in an…

A: A polypeptide chain can form two types of secondary structures i.e. alpha helix and beta pleated…

Q: What would the net charge be of a polypeptide with the sequence M-D-R-N-Q-K at pH 8? hint ionizable…

A: Amino acids are the simplest units for the formation of peptides or proteins. The amino acids are…

Q: say you have been asked to determine the molecular structure of a soluble protein with roughly 500…

A: Determining the structural basis of protein in a molecular or even atomic level would enable us to…

Q: An π helix can be described as a 4.4 helix. Explain 16 what this designation means. Given the pitch…

A: ●A π helix is a type of secondary structure found in proteins.The amino acids in a standard π-helix…

Q: Helices can be described by the notation nm,where n is the number of residues per helical turn and m…

A: Proteins are a type of macromolecule that have a variety of roles in biological processes. It is…

Q: Protein A is made up of a single polypeptide chain; The molecular mass of A is 20,000 Da; the A…

A: Protein has various levels of the organization. The primary structure of protein consists only of…

Q: You identify a section of 2 beta strands in a protein crystal structure. When you identify the…

A: The linear arrangement of amino acids in beta strands, an usual secondary structure in proteins,…

Q: Consider a small protein containing 98 amino acid residues. The protein backbone will have 194 bonds…

A: Assuming that each of the 194 rotatable links in the protein backbone can have three alternative…

Q: Explain how both alpha helices and beta sheets can be used by proteins that cross membranes. Also…

A: Biological membrane is made up of phospholipids, proteins and carbohydrates. Membrane proteins are…

Q: why do you think this is? In your explanation, you should describe the specific molecular…

A: 1. Proline is rarely found in beta sheets or alpha helices this is because proline is totally…

Q: You are working on a protein with the following sequence in an area of interest.…

A: Proteins are made up of different amino acids. Some amino acids have ionizable side chains. All…

Q: α-Keratin is an intermediate filament with a basic structural unit of two a helices in a coiled…

A: Three True Statements About Keratin Structure : The α helix of the coiled coil is wound less tightly…

Q: Membrane-spanning proteins are notoriously difficult to characterize by x-ray crystallography.…

A: The biological membranes consist of a bi-layer of phospholipid molecules.In addition, there membrane…

Q: Assume a fragment of two-stranded antiparallel β-structure is 3.3 nm long. What is the approximate…

A: Deoxyribonucleic acid also known as DNA, is a molecule that houses the genetic instructions required…

Q: Disulfide linkages are uncommon in cytoplasmic proteins, whereas they are common in extracellular…

A: Oxidation is the most common way for disulfide bonds to form in the endoplasmic reticulum.

Q: Consider an alpha-helix comprised of twelve amino acid residues. How many hydrogen bonds should be…

A: Proteins are linear polymers of amino acids which form the basic unit. Amino acids consist of a…

Q: Can you please identify what type of protein this is?

A: The correct answer is "Antiparallel beta confirmation"