One technique that is used when attempting to solve the crystal structure of a large protein is not to solve the structure of the whole protein itself. Instead, the protein isbroken down into smaller components and the structure of the smaller components is what is solved. Of course, when performing this technique, it must be ensured thatthe process of breaking down the protein into smaller components does not drastically change the structure of the smaller components. With this in mind, where would bethe best locations to cut a protein?At the beginning and end of secondary structures.At beginning and end of protein domains.O At the beginning and end of motifs.At the beginning and end of protein subunits.

Secondary structure of the proteins: It is the higher level of structural organization of the…

Answered: One technique that is used when…

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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You're on duty at a prominent Metro laboratory. You mixed up a sample for protein analysis of the samples needed for forensic examination that contains pure DNA while waiting for your closest friend. You decided to use the knowledge you gained in Biochemistry to run the combined samples through a spectrophotometer to eliminate contaminated protein. Determine which of the samples should be extracted and separated for protein analysis based on the following data. Show all of your solutions. A230 A260 A280 Buffer 0.051 0.091 0.065 Sample A 1.27 4.54 2.01 Sample B 1.32 3.92 2.11 Sample C 1.95 3.88 2.04 Sample D 1.44 4.21 2.32
The elegance and importance of proper protein folding and assembly cannot be overstated. Simple electrostatic interactions are fully responsible for long peptide chains becoming giant, globular, functional proteins. Research and discuss two examples of improper protein folding. What is the cause of each malformed protein? What is the consequence of this deformity? What are potential treatment options, and how do they address and remedy the problem?
How can the three-dimensional structure of a protein be determined?
A 20µL unknown protein was mixed with 80µL of water. Then, 10µL of this mixture was added with 10µL Bradford reagent and diluted with water to a total volume of 100µL. The absorbance at 595 nm shows 0.08 units. Solve for the protein concentration (in mg/mL) of the original unknown protein. How much protein (in mg) is in the 20uL sample? Express your answer in 3 significant figures.
Can you please explain how to solve this problem?
Assume you were given a mixture consisting of one molecule each of all possible sequences of a smallish protein of molecular weight 4800 daltons. If the average molecular weight of an amino acid is, say, 120 daltons, how much would the sample weigh? How big a container would you need to hold it?
After staining an SDS-PAGE gel with Coomassie Blue G-250, the protein bands are visualized by de-staining the gel in a Coomassie Blue G-250 de-staining solution. This solution is made up of 10% acetic acid, 50% methanol, and 40% distilled water. How much of each of these components do you need to prepare 5 liters of Coomassie Blue G-250 de-staining solution?
Your friend has discovered a protein that they suspect is glycosylated. They decide to perform a series of tests to determine the nature of the oligosaccharide. Assuming/Knowing the following: Fucose molecular weight is approximately 164 Galactose molecular weight is approximately 180 GalNAc molecular weight is approximately 221 Mannose molecular weight is approximately 180 Sialic Acid molecular weight is approximately 309 Neuraminidase cleaves before a Sialic Acid (Sialic Acid and anything after leaves the protein) Beta-galactosidase cleaves after a Galactose (Galactose and anything before remains on the protein) Peanut Agglutinin binds to GalNAc Concanavalin A binds to Mannose Hemagglutinin binds to Sialic Acid Based on preliminary results, they suspect that the oligosaccharide is 7 glycosides long and weighs a total of 1414 g/mol They carried out the following experiments: they treated the protein with either a glycosidase or a lectin, and then pelleted the protein using…
Tertiary structures refer to the three-dimensional arrangement of every atom in the molecule. On the other hand, primary structures refer to the stable arrangements of amino acid residues in a protein that give rise to recurring patterns. O Both statements are correct O Both statements are incorrect O The first statement is incorrect while the second statement is correct O The first statement is correct while the second statement is incorrect
Most protein dissolve in neutral salt solution, is that true? Provide reasoning
The primary structure of proteins has polar and non-polar groups. Explain how these groups contribute to developing into the functional 3D protein structure?
What type of information is contained in the three-dimensional structure of proteins? What is the significance of 3D structure prediction? Discuss in depth the key aspects involved in 3D protein structure prediction and computational assessment.

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