Here is the cartoon representation and Ramachandran plot of a small DNA-binding protein, 80-residues inlength. In its Ramachandran plot, 58 residues fall in the a region; 20 residues fall in the region; 2 residues fall inthe L region. No residues fall in the disallowed region. The polypeptide termini are labelled.11. Approximately what percentage of the protein is a-helix?A. 38%B. 42%C. 58%D. 72%12. What percentage of the protein is B-sheet?A. 0%B. 25%C. 75%D. 100%13. What percentage of the protein is regular structure?A. 3%B. 42%C. 58%D. 97%14. What percentage of the protein is irregular structure?A. 0%B. 42%C. 75%D. 97%15. How many domains are present?A. 1B. 2C. 3D. 410016. How many subunits are present?A. 1B. 2C. 3D. 4

The Ramachandran plot marks the and angles of amino acid residues in a protein. Their are certain…

Answered: Here is the cartoon representation and…

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

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Similar questions

You are characterizing a DNA-binding protein, and have used genetic experiments to identify a domain required for the interaction of the protein with DNA. Your secondary structure analysis software predicts that the domain forms a β helix, but you are unconvinced. What experiments could you perform to confirm the presence of a β helix in this region?
fill in the blank The portion of a polypeptide sequence that can fold and has its own particular function is called a ( ).
Which statements reflect the Watson-Crick model of DNA? Select all that apply. The strands of DNA run in the same direction. Two helical DNA strands are coiled around a common axis, forming a right-handed double helix. The sugar-phosphate backbone lies outside of the helix. The diameter of the helix is 30 Å. The purine and pyrimidine bases lie outside of the helix.
I think it’s all of the above but I am not sure please explain
what does it mean to say that trends in a double helix is antiparallel? A. They each have a sugar-phoshate backbone. B. They each have a 5'-3' directionality (or polarity). C. They have opposite directionalty in terms of relative positions of 5' and 3' ends.
In Watson and Crick's model of DNA structure, the two strands of the DNA double helix are joined through a. Ionic bonds b. Hydrophobic interactions c. Covalent bonds d. Disulfide bonds e. Hydrogen bonds
In the Watson-Crick structure of DNA, the: a. adenine content of one strand must equal the thymine content of the same strand. b. nucleotides are arranged in the A-form. c. purine content (fraction of bases that are purines) must be the same in both strands. d. two strands are parallel. e. the strands are complementary to each other.
Please don't provide handwritten solution .....
A section of DNA composed of 4750 nucleotide pairs is found to code for 573 amino acids. Calculate and show your workings towards how many of the nucleotide pairsare non-coding..
CAN YOU PLEASE ANSWER 1b 1a) The phosphate groups in the sugar-phosphate backbone of each strand of a DNA molecule have a pKa of ~2.14. Normal physiological pH in most cells is 7.0-7.5, which is significantly above the pKa for the phosphate groups, so every phosphate group in the backbone of both strands of a DNA molecule is deprotonated and carries a -1 charge - but DNA in cells is normally double-stranded. Briefly explain, in your own words, why the large negative charges on the backbones of the two strands of a double-stranded DNA molecule don't cause the strands to separate under normal cellular conditions. 1b) If you raise the pH to 12, but keep everything else about the solution in which the double-stranded DNA is dissolved the same, the two strands of DNA will separate/the DNA will denature. Briefly explain, in your own words, why this happens - why does DNA denature at pH 12 but not at pH 7?
For the following sequence of amino acids, serine-valine-lysine-leucine, which of the choices below is the correct order for the nucleotide base sequence in DNA? Group of answer choices a. UGUGCAAAGUUA b. AGACAATTCAAT c. TCTCGTTTGTTA d. TGTGCTTTCTTA
Which of the following statements DOES NOT apply to the Watson and Crick model of DNA? a. The two strands of the DNA helix are anti-parallel. b. The distance between the strands of the helix is 20 angstroms (A). c. The framework of the helix consists of sugar-phosphate units of the nucleotides. d. The two strands of the helix are held together by covalent bonds. e. The purines are attracted to the pyrimidines. ...Explain your answer.

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