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1: Mol Cell. 1999 Jul;4(1):97-107.Click here to read Links

NSF N-terminal domain crystal structure: models of NSF function.

Yu RC, Jahn R, Brunger AT.

Howard Hughes Medical Institute, Yale University, New Haven, Connecticut 06520, USA.

N-ethylmaleimide-sensitive factor (NSF) is a hexameric ATPase essential for eukaryotic vesicle fusion. Along with SNAP proteins, it disassembles cis-SNARE complexes upon ATP hydrolysis, preparing SNAREs for trans complex formation. We have determined the crystal structure of the N-terminal domain of NSF (N) to 1.9 A resolution. N contains two subdomains which form a groove that is a likely SNAP interaction site. Unexpectedly, both N subdomains are structurally similar to domains in EF-Tu. Based on this similarity, we propose a model for a large conformational change in NSF that drives SNARE complex disassembly.

PMID: 10445031 [PubMed - indexed for MEDLINE]

Structures reported by this article