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  • Title: Differential ER exit in yeast and mammalian cells.
    Author: Watanabe R, Riezman H.
    Journal: Curr Opin Cell Biol; 2004 Aug; 16(4):350-5. PubMed ID: 15261666.
    Abstract:
    The coat complex COPII forms vesicles at the endoplasmic reticulum to transport a variety of cargo proteins to the Golgi structure. Recent biochemical and structural studies reveal the molecular mechanism of cargo protein recognition by COPII components. Furthermore, there are at least two distinct ER-to-Golgi transport carrier structures carrying different cargo proteins in yeast and mammalian cells, suggesting several distinct mechanisms for the concentration, selection and exit of cargo proteins from the ER. It will be essential to follow the dynamics of transitional ER sites and cargo protein concentration within the ER in order to understand how these transport processes occur in living cells.
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