What is the function of the 19S cap in the proteasome complex?
A) Recognizing the proteins that will be degraded
B) Unfolding the proteins that will be degraded and threading them into the central 20S cylinder for digestion
C) Removing the polyubiquitin chain from the proteins that will be degraded
D) Hydrolyzing ATP to make the digestion process highly efficient
E) All of the above

Question

Quizplus · Accepted Answer

The 19S cap in the proteasome is a large complex with various functions including substrate recognition, de-ubiquitylation, unfolding and feeding into the 20S core, as well as regulatory roles.

What Is the Function of the 19S Cap in the Proteasome