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Copy Coats: COPI Mimics Clathrin and COPII

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1 Copy Coats: COPI Mimics Clathrin and COPII
Frederick M. Hughson  Cell  Volume 142, Issue 1, Pages (July 2010) DOI: /j.cell Copyright © 2010 Elsevier Inc. Terms and Conditions

2 Figure 1 The Three Archetypal Vesicle Coats
(A) Clathrin, COPI, and COPII drive the formation of transport vesicles by polymerizing on cellular membranes. COPII covers vesicles emanating from the endoplasmic reticulum, whereas COPI and Clathrin surround vesicles originating from the Golgi apparatus and plasma membrane, respectively. (B) The COPI cage shares features with both COPII and clathrin cages. This is most clearly seen by examining the structure surrounding each vertex. As with COPII, the vertices of the COPI lattice appear to involve interactions among N-terminal β-propeller domains with α-solenoids extending outwards (Lee and Goldberg, 2010). (C) COPII polymerizes into a polyhedral lattice with triangular and pentagonal faces (Stagg et al., 2008). In contrast, COPI is proposed to form clathrin-like truncated icosohedra with hexagonal and pentagonal faces (Lee and Goldberg, 2010). Cell  , 19-21DOI: ( /j.cell ) Copyright © 2010 Elsevier Inc. Terms and Conditions

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