coatomer protein


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coatomer protein (COP),

two types are found between the transitional endoplasmic reticulum and the trans-Golgi network. Coatomer protein I (or COP-I) functions in retrograde transport from the ERGIC to the transitional endoplasmic reticulum, whereas coatomer protein II (or COP-II) functions in anterograde transport.
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The researchers homed in on a protein complex called COPI, which stands for coatomer protein 1.