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COPII assembly

I am currently studying the intracellular distribution of a particular protein. The protein is normally Golgi-resident. What would happen to this distribution if i treated the cell with an inhibitor of COPII assembly?

I would think that if the COPII vesicles are inhibited the ER would be unable to export cargo to the golgi.

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You're right.

First, we need to know what COP II does. COP stands for "coatomer protein." Some vesicles are ...