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  • Title: Cooperation of Sly1/SM-family protein and sec18/NSF of Saccharomyces cerevisiae in disassembly of cis-SNARE membrane-protein complexes.
    Author: Kosodo Y, Noda Y, Adachi H, Yoda K.
    Journal: Biosci Biotechnol Biochem; 2003 Feb; 67(2):448-50. PubMed ID: 12729020.
    Abstract:
    Assembly and disassembly of the SNARE membrane-protein complexes plays a key role in vesicular trafficking. The SM-family Slyl protein binds to the tSNARE Sed5 protein and stimulates its assembly into a trans-SNARE complex. Disassembly of the resulting cis-SNARE complex containing Sed5 was retarded in a temperature-sensitive yeast mutant of Slyl protein with a defect in binding to Sed5. A temperature-sensitive mutation (sec18-1) of Sec18/NSF disassembly ATPase showed synthetic lethality with the sly1(ts) mutation. These results suggest that Slyl and Sec18 proteins work cooperatively and that the binding of Slyl to Sed5 stimulates the disassembly of the cis-SNARE complex by Sec18 ATPase.
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