2. Consider the following quaternary cartoon structure below, where each colored shape represents a different subunit. i. ii. iii. How many N-termini are there in this complex? Suppose the blue square and orange triangle subunit are held together by a disulfide bond, sketch below what you would expect to see after the addition of BME. What kind of interactions may be responsible for holding the orange triangle and green circle subunits together? List at least three.
2. Consider the following quaternary cartoon structure below, where each colored shape represents a different subunit. i. ii. iii. How many N-termini are there in this complex? Suppose the blue square and orange triangle subunit are held together by a disulfide bond, sketch below what you would expect to see after the addition of BME. What kind of interactions may be responsible for holding the orange triangle and green circle subunits together? List at least three.
Biochemistry
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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
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Transcribed Image Text:2. Consider the following quaternary cartoon structure below, where each colored shape
represents a different subunit.
i.
ii.
iii.
How many N-termini are there in this complex?
Suppose the blue square and orange triangle subunit are held together by a
disulfide bond, sketch below what you would expect to see after the addition of
BME.
What kind of interactions may be responsible for holding the orange triangle and
green circle subunits together? List at least three.
Expert Solution
Protein quaternary structure
Some proteins are composed of more than one polypeptide chain. Each polypeptide chain folds to become a subunit of the protein. These proteins with more than 1 subunit are said to have quaternary structure.
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