9 Questions
Why is quaternary structure important in regulating the biological activity of certain oligomeric proteins?
To favor selection for different combinations of subunits to carry out related functions
Why does evolution favor selection for different combinations of subunits in proteins?
To carry out related functions efficiently
What is an advantage of selecting different combinations of subunits over creating entirely new monomeric proteins?
Efficiency in carrying out related functions
Which of the following proteins is cited as an example of sharing subunits in different complexes?
L protein of the mitochondrial glycine cleavage system
What can be said about the L protein's role in various complexes based on the text?
It is a component of multiple protein complexes
How does the L protein's presence in multiple complexes contribute to protein efficiency?
By expanding its use across related protein complexes
What is the main benefit of having proteins with quaternary structures?
Favoring selection for different combinations of subunits for related functions
Why are different combinations of subunits selected over creating entirely new monomeric proteins?
To efficiently carry out related functions
What makes quaternary structures essential for regulating certain oligomeric proteins?
To promote selection for diverse subunit combinations in related functions
Test your knowledge on the C-terminal WD40 domain of Tup1, a transcriptional co-repressor in yeast. Learn about how this domain adopts a 7-bladed beta-propeller fold and its role in protein structure and function.
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