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Biochemistry, Biophysics, and Structural Biology Commons

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Open Dartmouth: Faculty Open Access Scholarship

Saccharomyces cerevisiae

1999

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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology

Sec34p, A Protein Required For Vesicle Tethering To The Yeast Golgi Apparatus, Is In A Complex With Sec35p, Susan M. Vanrheenen, Xiaochun Cao, Stephanie K. Sapperstein, Elbert C. Chiang, Vladimir V. Lupashin, Charles Barlowe, M. Gerard Waters Nov 1999

Sec34p, A Protein Required For Vesicle Tethering To The Yeast Golgi Apparatus, Is In A Complex With Sec35p, Susan M. Vanrheenen, Xiaochun Cao, Stephanie K. Sapperstein, Elbert C. Chiang, Vladimir V. Lupashin, Charles Barlowe, M. Gerard Waters

Open Dartmouth: Faculty Open Access Scholarship

A screen for mutants of Saccharomyces cerevisiae secretory pathway components previously yielded sec34, a mutant that accumulates numerous vesicles and fails to transport proteins from the ER to the Golgi complex at the restrictive temperature (Wuestehube, L.J., R. Duden, A. Eun, S. Hamamoto, P. Korn, R. Ram, and R. Schekman. 1996. Genetics. 142:393–406). We find that SEC34 encodes a novel protein of 93-kD, peripherally associated with membranes. The temperature-sensitive phenotype of sec34-2 is suppressed by the rab GTPase Ypt1p that functions early in the secretory pathway, or by the dominant form of the ER to Golgi complex ...