Answered: A polypeptide chain with alpha helical…

A polypeptide chain with alpha helical structure has length of 100 nm, find the no. Of residues present in chain and how many turns are there in this alpha helix?

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: Draw the two amino acids serine and alanine, and a dipeptide that could be formed by combining these…

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

Q: The chain 3 subunit contains the amino acid sequence shown below. This sequence contains one alpha…

A: An alpha-helix is defined as a repetitive structure having a spiral structure. Alpha-helix is a type…

Q: The fi broin proteins found in silk fi bers consist of large regions of β-pleated sheets stacked one…

A: Beta pleated sheet is a common motif of the regular protein secondary structure.

Q: Draw the structure of the following polypeptide at physiological pH. You do not need to indicate the…

A: Protein is composed of various amino acids in various proportions, which determine the structure…

Q: The 3° structure of a protein refers to the protein's overall, 3-dimensional shape in space. This…

A: Amino acids are biomolecules that have an amino group, a carboxyl group and a side group that is…

Q: Calculate the isoelectric point (pI) of the peptide structure shown. Use table 3.1 for pKa values.

A: The given peptide is Met-enkephalin with a sequence of tyrosine, glycine, glycine, phenylalanine,…

Q: Convert each of the following chair conformations to an open-chain from and to a Fischer projection.…

A: Fischer projection is the representation of the sugar molecule in the open-chain form with the solid…

Q: Amino, acids Amino acids Hydrogen- bond Beta pleated sheet Alpha helix Transthyretin polypeptide…

A: Note: Since you have posted multiple independent questions in the same request, we will solve the…

Q: All the necessary information to form the three-dimensional structure of the protein is provided by:…

A: Proteins are formed by amino acid residues. These amino acid residues are held together by peptide…

Q: Given below is a sequence of a polypeptide: AVLLRKIFWFDLAG The pKas of different groups/side chains…

A: The pH of the media decides the overall charge on a molecule especially of amino acid side chains.

Q: Draw the structure of the dipeptide Thr-Cys at pH7. Clearly indicate the following: the amino…

A: A dipeptide is formed between two amino acid residues in which an amino group of one amino acid is…

Q: The pi-helix is a rare secondary structural element in proteins that resembles an alpha helix but…

A: Helices are the main secondary structural elements (SSEs) present in protein structures and are…

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: The tertiary structure of a protein is maintained by interactions between the side chains of amino…

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

Q: The simplest form of the Ramachandran diagram is calculated by ignoring hydrogen bonding,…

A: The Ramachandran plot is a plot of the torsional angles - phi (φ)and psi (ψ) - of the residues…

Q: There are different types of helical structures that can be found in proteins (i.e., not only…

A: Asked : Intrachain hydrogen bond is formed between which amino acid residues foe the given Helix A.

Q: Which of the following is true about formation of the secondary structure features, a-helices or a…

A: Proteins are the ultimate products of the genes. DNA is transcribed into m RNA and this is…

Q: The illustration shows the interactions that form the tertiary structure of a protein segment.…

A: The term protein is derived from a Greek word that means of first importance. They are the most…

Q: An a-Helix (or helices) is often found at anion binding sites of different proteins. Explain this…

A: Helices are spring like structure which forms through the hydrogen bonding between C=O of the ith…

Q: Some bacteria produce poly-γ-glutamic acid, a polymer in which the amino group of each glutamate…

A: Poly-γ-glutamic acid (γ-PGA) is a highly promising polymer that is non-toxic, non-immunogenic and…

Q: if two polypeptide chains are interacting as alpha helices with the following amino profiles: A:…

A: if two polypeptide chains are interacting as alpha helices with the following amino profiles: A:…

Q: You are working in the lab with a polypeptide that is present in solution at 1 mg/mL. The…

A: Molarity (M) is the amount of a substance in a certain volume of solution. Molarity is defined as…

Q: Given the polypeptide chain below: Alanine - Arginine - Valine - Histidine - Aspartic acid -…

A: Amino acids are organic molecules comprised of two functional groups that are an amino group and the…

Q: if i have protein with 110kda and its cysteine joining with disulfide bond . and one cysteine acids…

A: A chemical bond is a force of attraction between atoms or ions. Bonds form when atoms share or…

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: An intrinsically disordered protein (IDP) is a protein that lacks a fixed three- dimensional…

A: Given; Freely joined chain length of a single amino acid = 3Å Total number of constituent amino…

Q: Approximately how many domains are in an 82.5 kDa protein? O a. 2 Ob.3 OC 4 O d.1 QUESTION 5 How…

A: Domains are the regions of protein primary structure that vary in length from 50 aminoacids to 250…

Q: The use of salt bridges or hydrophobic interactions (or pockets) to stabilize interactions between…

A: Proteins: Proteins are biological polymers and mainly made up of amino acids those that are linked…

Q: The overall three-dimensional shape of a polypeptide is called: O a. Tertiary structure O b.…

A: Step 1 Proteins are large-sized mixed polymers or heteropolymers of several types of alpha-amino…

Q: You are supplied with an unknown protein that consists of more than 130 amino acids. Furthermore…

A: Proteins are made up of Aminoacids. There are four levels of organisation of protein structure. They…

Q: A dipeptide T, obtained from the breakdown of an enzyme found in the human body, is made up of Amino…

Q: A polypeptide has a high pI value. Suggest which aminoacids might comprise it

A: A polypeptide chain having a high pI value comprise of following amino acids : Lysine, arginine.

Q: This amino acid is: (Note that the non-ionized form is shown; remember that backbone groups are…

A: Amino acids are the molecules that join to form a protein structure. The bond formed between two…

Q: Draw a peptide bond between two generic amino acids at pH 7; use R1 and R2 for the side chains.…

A: Proteins are biomolecules, which are composed of certain monomer units such as amino acids. These…

Q: In terms of structure and function of a protein why is the lactase enzyme have a optimal pH of seven

A: Enzyme work in optimal pH for proper functioning. It is important to bind with the substrate with…

Q: a peptide has the sequence: Asp-His-Tyr-Cys. What is the net charge on this molecule at pH 7.0? Will…

A: Given, Asp-His-Tyr-Cys thus considering Asp at the amino terminal and Cys at the carboxylic terminal…

Q: Draw the structure of the tetrapeptide MIEL. Refer to the slide sets for the structures of the amino…

A: Peptides are biomolecules made up by linking amino acids to each other via peptide bonds. A peptide…

Q: You are supplied with an unknown protein that consists of more than 130 amino acids. Furthermore…

A: The primary structure of a protein is the amino acid sequence of the protein. According to…

Q: Identify and encircle the peptide bonds in this polypeptide (Asp-Sec-Leu-Cys-Glu).

A: Amino acids are compounds that contain amino as well as carboxylic acid groups. These are the…

Q: It is often the case that a helices are positioned in a protein such that one side faces the…

A: Introduction As the name implies, an amphipathic (or amphiphilic) helix is an α-helix with both…

Q: A protein has an asp glu/arg lys ratio of 3. Explain how would the overall charge on this molecule…

A: pKa is the negative log of acidic ion concentration and used to denote the acidity or basicity of…

Q: STRUCTURE OF DNA Phosphate Nitrogenous Base Pentose Sugar Referring to the illustration above, the…

A: DNA is the geentic material. It stands for deoxyribonucleic acid. It is present in the nucleus,…

Q: Using the standard 3.6 amino acids per turn (360°) and the helical wheel below, plot each sequence…

A: A helical wheel is a visual representation of amino acids that is used to illustrate the alpha…

Q: The structure of a protein that involves alpha elices and beta-pleated sheets is is O A. primary…

A: Question- The structure of a protein that involves alpha elices and beta-pleated sheets is O A…

Q: Draw the two dipeptides possible when glutamine and cysteine undergo dehydration to form a peptide…

A: Dipeptide is a peptide which contains two amino acids. Amino acids are the basic unit of polypeptide…

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

A: The beta-sheet is a type of secondary structure in which two strands are connected through backbone…

Q: Amino acid structure and composition: Assuming physiological pH conditions, draw the peptide…

A: Amino acids are the building blocks for peptides. The amino acids can be acidic (asp, glu), based…

Question

! plz solve it as soon as possible I'll give you multiple upvote. And I want handwritten solution plz

A polypeptide chain with alpha helical
structure has length of 100 nm , find the
no. Of residues present in chain and how
many turns are there in this alpha helix?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Introduction

VIEW

Answer and explanation

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

An π helix can be described as a 4.4, helix. Explain 16 what this designation means. Given the pitch of the helix is 5.2 angstroms, how long in(nm) is the pi helix that has six residues.
Polyglycine, a simple polypeptide, can form a helix with φ = -80°, ψ = +150°. From the Ramachandran plot (as shown), describe this helix with respect to handedness.
What is the length (in nm) of an alpha-helix containing 15 amino acid residues?
Helices can be described by the notation nm,where n is the number of residues per helical turn and m is the number of atoms, including H, in the ring that is closed by the hydrogen bond. Would a 310 helix be more or less steep than an α helix? why?
Using a copy of a helical wheel (attached to the end) plot the amino acids of the helix on the helical wheel. Is there any evidence of the helix as a whole being amphipathic or having a “sidedness"? Explain yes or no. Are the amino acid side chains in close proximity of one another or staggered to minimize steric hinderance between side chains? Explain the pattern you observe.
The primary amino acid sequence of a stretch of polypeptide is Asp-Glu-Pro-Lys-His-Arg. Would you expect this portion of the polypeptide to form an alpha helix at pH=5? Provide 3 reasons to justify your answer.
List some of the possible combinations of α-helices and βsheets in supersecondary structures.
Given the polypeptide chain below: Ala-Arg-Val-His-Asp-Gln 1. What is the N-terminus? 2.What is the C-terminus?
Given that an α helix has 3.6 residues per turn and the rise along the α helix axis is 5.4 Å, approximately how many amino acids would you find in a single contiguous α helix that is 210 Å long?
Given the polypeptide chain below: Ala-Arg-Val-His-Asp-Gln 1. What kind of polypeptide is it? 2. How many peptide bonds are there?
A helical wheel is a two-dimensional representation of a helix, a view along its central axis. Label the blanks on the helical wheel diagram to show the distribution of amino acid residues in a helical segment with the sequence -Val-Asp-Arg-Val-Phe-Ser-Asn-Val-Cys-Thr-His-Leu-Lys–Thr-Leu-Gln-Asp-Lys- 1 Answer Bank H L D K R F T K S T
Proline is known as a beta sheet and alpha helix "breaker ," therefore proline is rarely found in beta sheets or alpha helices. why do you think this is? In your explanation, you should describe the specific molecular interactions necessary for the formation of alpha-helices and beta-sheets. Please be as specific as possible.