The structure shown below belongs to which family of protein tertiary structure?1) x/B barrel2) B-barrel3) x-helix bundle4) xß-sandwichPDB: 1VRD

Protein structure is described in a hierarchy: The primary structure: is the amino acid sequence of…

Answered: The structure shown below belongs to…

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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Give detailed Solution with explanation needed..(don't copy the answer any where)
Consider a short peptide with the sequence M-C-Q-L-Y-P-E-D-K. List the ionizable groups in this peptide, and the net charge of the whole peptide at pH a) 1.5, b) 7.0, and c)12.0.
Imagine that a mutation has been discovered in the HBA1 gene, where amino acid residue # 1 in the alpha subunit is changed from valine to lysine. The structure of these two amino acids is shown below. How would this mutation affect the mobility of HbA in the gel?a) HbA with this mutation would have the same mobility as normal HbAb) HbA with this mutation would have the same mobility as HbSc) HbA with this mutation would have a faster mobility than normal HbA O d) HbA with this mutation would have a mobility somewhere in between HbS and normal HbA
Which of the following is true A) The disulfide bridges formed by reduction of the sulfhydryl groups on cysteine destabilizes protein tertiary structure. B) The disulfide bridges formed by oxidation of the sulfhydryl groups on cysteine destabilizes protein tertiary structure. C) The disulfide bridges formed by oxidation of the sulfhydryl groups on cysteine stabilizes protein tertiary structure. D) The disulfide bridges formed by reduction of the sulfhydryl groups on cysteine stabilizes protein tertiary structure.
sugar and phosphate in a polynucleotide backbone are covalently linked by what? a) N-glucosidic bond b) phosphodiester bond c) peptide bond d) beta strand e) alpha helix
A schematic diagram of the helical structure of cytochrome b562 is reproduced below. Thisprotein belongs to the family of -proteins that have a four-helix bundle. Number the helices 1 – 4according to their N  C direction. Indicate relative orientations of the macrodipoles of helices 1 – 4adjacent to the diagram of cytochrome b562. Remember that according to the definition of a dipolethat the arrow points towards the positive end.
Hemoglobin has two alpha-type chains and two beta-type chains. This would be a description of: a) primary structure b) secondary structure c) tertiary structure d) quaternary structure Myoglobin has much helix-turn-helix motif. This would be a description of: a) primary structure b) secondary structure c) tertiary structure d) quaternary structure Myoglobin folds up into a ball-like structure. This would be a description of: a) primary structure b) secondary structure c) tertiary structure d) quaternary structure Domains differ from subunits in that: a) subunits are connected by peptide bonds while domains are not b) domains are connected by peptide bonds while subunits are not c) subunits are larger than domains d) subunits are hydrophobic while domains are hydrophilic
Select the term in column B which best matches the description in column A. There are more terms then needed. Column A Column B 1. The pentose sugar found in DNA. a) Cis fatty acid b) Trans fatty acid c) Coenzyme d) Cofacipr 2. Commonly referred to as "insoluble fiber". 3. Considered to be an amphipathic molecule. 4. A molecule with the formula C18H3602 is probably a e) Phospholipid 5. Bond created during the formation of the primary structure of a protein. ) Glycogen 6. A non-protein organic molecule needed for proper enzyme functioning. g) Cellulose 7. Pyrimidine base found only in RNA. h) Galactose i) Fructose 8. Increasing the number of these molecules in the cell membrane would increase the permeability of the cell membrane. i) Thymine k) Uracil 9. Bond which connects nucleotide monomers together. 1) Fatty acid m) Disaccharide n) Peptide bond o) A-Helix p) B-Pleated Sheet q) Ribose r) Deoxyribose 10.
Hello, I am trying to understand how to calculate the overall charge of a peptide at pH = 7. Please show your work and explain how you got the answer. Here are two peptide examples (assume it consists of 20 residues): 1) 10% Gly, 20% Leu, 15% Lys, 15% Phe, 15% Gln, 25% Glu 2) 10%Gly, 15% Leu, 20% Lys, 15% Met, 15% Thr, 25% Arg
A sequence of amino acids in a certain protein is found to be -Ser-Gly-Pro-Gly-. The sequence is most probably part of a(n): A) parallel β sheet. B) α sheet. C) β turn. D) α helix. E) antiparallel β sheet.
What protein structure is represented in either panel of the figure above? Question 11 options: a) Quaternary b) Secondary c) Tertiary d) Quinary e) Primary

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The structure shown below belongs to which family of protein tertiary structure? 1) x/B barrel 2) B-barrel 3) x-helix bundle 4) xß-sandwich PDB: 1VRD