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ζ-COP, a subunit of coatomer, is required for COP-coated vesicle assembly

  • Osamu Kuge
  • , Sayuri Hara-Kuge
  • , Lelio Orci
  • , Mariella Ravazzola
  • , Mylene Amherdt
  • , Gary Tanigawa
  • , Felix T. Wieland
  • , James E. Rothman

Research output: Contribution to journal › Article › peer-review

Abstract

cDNA encoding the 20-kD subunit of coatomer, ζ-COP, predicts a protein of 177-amino acid residues, similar in sequence to AP17 and AP19, subunits of the clathrin adaptor complexes. Polyclonal antibody directed to ζ-COP blocks the binding of coatomer to Golgi membranes and prevents the assembly of COP-coated vesicles on Golgi cisternae. Unlike other coatomer subunits (β-, β′-, γ-, and ∈-COP), ζ-COP exists in both coatomer bound and free pools.

Original languageEnglish
Pages (from-to)1727-1734
Number of pages8
JournalJournal of Cell Biology
Volume123
Issue number6 PART 2
Publication statusPublished - Dec 1993
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Cell Biology

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