The three N-linked glycans in the illustration are all present on a single glycoprotein. When the...
The three N-linked glycans in the illustration are all present
on a single glycoprotein. When the protein is treated with peptide
N-glycosidase F, all of the glycan groups are released
from the protein and are now present in a mixed solution. What
method(s) could be used to determine the structure and composition
of each glycan group?
Choose one:
A. The mixed glycan solution can be treated with sugar-specific glycosylases, and the mass of each resulting cleavage product can be determined by mass spectrometry. Liquid chromatography of the resulting cleavage products could then be used to determine the arrangement of sugars.
B. Mass spectrometry can be used to determine that there are three different glycan groups based on their different masses. The mass of each glycan can be used to determine the number, type, and arrangement of the monosaccharide components.
C. The mixed glycan solution can be treated with sugar-specific glycosylases, and then the resulting cleavage products separated by liquid chromatography. The different elution profiles of these cleavage products can then be used to determine the number, type, and arrangement of the monosaccharide components.
D. Mass spectrometry can be used to determine that there are three different glycan groups based on their different masses. The three different glycans could then be isolated and the purified samples could each be treated with a series of sugar-specific glycosylases. The resulting cleavage products can be analyzed by liquid chromatography to determine the arrangement of sugars. Mass spectrometry can again be used to confirm this identity by determining the mass of the cleavage products.
Homework Answers
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The three N-linked glycans in the illustration are all present
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5. When all of the sample to be collected has left the
column, will the drop of solution coming off the tip of the column
be acidic, basic or neutral?
6. How many H+ ions would be displaced from the ion
exchange column by 1 Cu2+ ion?
7. Binding sites on the ion exchange resin are saturated
with which ion before the sample solution is added?
8. Ions are displaced from the resin binding sites by
any ion that has...
1.) Describe the goals of a Gel Filtration Chromotography
Experiment???
2.) Explain each key theoretical principle of a Gel Filtration
Chromotography, and how they help acheive the goal???.
4.) Explain the key equations used in the Gel Filtration
Chromotography experiment and the terms involved in the
equation????
HI im trying to prepare for a lab/report and i have some
questions i could use help with please :) over all having trouble
seeing how everything ties together etc :) thank you...
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assignment
could you also explain why you chose that substance for the empty
spaces and question marks
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ch 14 answer each of these.
answer all 3 please
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