i.ii.i.v.22. Using the figure below, answer the following questions.Identify 2 independent helices domainsIdentify a disordered regionIn the structure, box the cofactor and name it (abbreviation accepted)Using the figure, draw the structure of the cofactor bound to this protein

Proteins are essential molecules that perform many important functions in cells. They are made up of…

Answered: Identify 2 independent helices domains…

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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Membrane-spanning proteins are notoriously difficult to characterize by x-ray crystallography. Hollonut of VISA Toplon a. Explain how the information in the diagrams below can be used in the detection of membrane- spanning proteins consisting of alpha helices, given that the lipid portion of a typical bilayer is approximately 30 Å thick. Amino terminus 5.4 A (3.6 residues) b. Identify and briefly describe how the features of a transmembrane protein composed of ß-sheets differ from that above.
The vast majority of structures deposited in the Protein Databank (>95%) have been determined using NMR Hard keratins (such as in the skin) are less resistant to stretch because the larger number of disulfide bonds resist deformative forces. Structures produced by X-ray diffraction are as good as the solutions from which they are derived they are false and I know that but explain why they are false
Amino acid structure For any ionizable group, indicate the pka value and draw the structure that would be expected at the pH inside the cell (~7.4).
ok-Personal Microsoft Edge com/maildeeplink 021 pdt Download Print Save to OneDrive 1. Draw the structure of the pentapeptide Gln-Trp-His-Glu-Tyr that would predominate in aqueous solution at pH3D10.3. (Relevant pka values are: 2.2 4.3, 6.0, 9.8, and 10.1) Acp is adiusted to
Draw the structural formula of the oligopeptide if the amino acids are arginine, glutamine, glycine, methionine and glutamic acid considering the first amino acid is the N-terminus
Draw out this peptide using condensed or line-bond structures: His-Thy-Phe-Cys-Glu examine your drawing of peptide for each amino acid, indicate what type(s) of interactions it can contribute to protein tertiary structure
(c) The tube and cylinder diagram to the right illus- trates schematically the potassium channel protein from a bacterium. This channel protein consists of four identical polypeptide chains each comprised of 119 residues. The cyan ribbon illustrates only two of the polypeptide chains. The relative positions of 4 α-helices, one from each poly- peptide chain, are shown as cylinders. The red sphere in the central part of the diagram shows the position of a potas- sium ion identified by X-ray structure analysis. A cesium ion (green sphere) was also found to be stabilized in the same position when cesium chloride was introduced into the crys- tals. The cylinders each represent an α-helix running from Tyr62 to Thr74. Considering the position of the potassium ion, in- dicate on one of the cylinders at which end of the cylinder residue Tyr62 is found and at which end residue Thr74 is found. Explain the basis of your answer? Ala23 Thr119 (d) The N- and C-terminal residues of one of the…
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Please help with part 3 and 4
What would be the structural formula of the oligopeptide if the amino acids are arginine, glutamine, glycine, methionine and glutamic acid considering the first amino acid is the N-terminus

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Identify 2 independent helices domains Identify a disordered region In the structure, box the cofactor and name it (abbreviation accepted) Using the figure, draw the structure of the cofactor bound to this protein