What is the most likely function of this new protein?

What is the most likely function of this new protein?

What is the most likely function of this new protein? 150 150 Nyagu

Question Description
I’m working on a biology question and need guidance to help me learn.

You have discovered a new cytosolic protein that binds to KKXX sequences, preventing these sequences from interacting with other proteins. What is the most likely function of this new protein?

Group of answer choices

It prevents the movement of proteins from the Golgi apparatus to the early endosome.

It prevents the movement of proteins from the Golgi apparatus to the endoplasmic reticulum.

It prevents the binding of KDEL containing proteins to KDEL receptors under acidic conditions.

It prevents the vesicle uncoating that occurs after vesicle formation.