6MDM

The 20S supercomplex engaging the SNAP-25 N-terminus (class 1)


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 4.40 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Structural principles of SNARE complex recognition by the AAA+ protein NSF.

White, K.I.Zhao, M.Choi, U.B.Pfuetzner, R.A.Brunger, A.T.

(2018) Elife 7

  • DOI: 10.7554/eLife.38888
  • Primary Citation of Related Structures:  
    6MDN, 6MDM, 6MDP, 6MDO

  • PubMed Abstract: 
  • The recycling of SNARE proteins following complex formation and membrane fusion is an essential process in eukaryotic trafficking. A highly conserved AAA+ protein, NSF ( N -ethylmaleimide sensitive factor) and an adaptor protein, SNAP (soluble NSF attachment protein), disassemble the SNARE complex ...

    The recycling of SNARE proteins following complex formation and membrane fusion is an essential process in eukaryotic trafficking. A highly conserved AAA+ protein, NSF ( N -ethylmaleimide sensitive factor) and an adaptor protein, SNAP (soluble NSF attachment protein), disassemble the SNARE complex. We report electron-cryomicroscopy structures of the complex of NSF, αSNAP, and the full-length soluble neuronal SNARE complex (composed of syntaxin-1A, synaptobrevin-2, SNAP-25A) in the presence of ATP under non-hydrolyzing conditions at ~3.9 Å resolution. These structures reveal electrostatic interactions by which two αSNAP molecules interface with a specific surface of the SNARE complex. This interaction positions the SNAREs such that the 15 N-terminal residues of SNAP-25A are loaded into the D1 ring pore of NSF via a spiral pattern of interactions between a conserved tyrosine NSF residue and SNAP-25A backbone atoms. This loading process likely precedes ATP hydrolysis. Subsequent ATP hydrolysis then drives complete disassembly.


    Organizational Affiliation

    Howard Hughes Medical Institute, Stanford University, Stanford, United States.



Macromolecules
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Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Vesicle-fusing ATPaseA, B, C, D, E, F768Cricetulus griseusMutation(s): 0 
Gene Names: NSF
EC: 3.6.4.6
UniProt
Find proteins for P18708 (Cricetulus griseus)
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Protein Feature View
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  • Reference Sequence
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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
Synaptosomal-associated protein 25G [auth H]207Rattus norvegicusMutation(s): 0 
Gene Names: Snap25Snap
UniProt
Find proteins for P60881 (Rattus norvegicus)
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  • Reference Sequence
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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
Syntaxin-1AH [auth I]256Rattus norvegicusMutation(s): 0 
Gene Names: Stx1aSap
UniProt
Find proteins for P32851 (Rattus norvegicus)
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Entity ID: 4
MoleculeChainsSequence LengthOrganismDetailsImage
Vesicle-associated membrane protein 2I [auth J]117Rattus norvegicusMutation(s): 0 
Gene Names: Vamp2Syb2
UniProt
Find proteins for P63045 (Rattus norvegicus)
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  • Reference Sequence
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Entity ID: 5
MoleculeChainsSequence LengthOrganismDetailsImage
Alpha-soluble NSF attachment proteinJ [auth K], K [auth L]313Rattus norvegicusMutation(s): 0 
Gene Names: NapaSnapSnapa
UniProt
Find proteins for P54921 (Rattus norvegicus)
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  • Reference Sequence
Small Molecules
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 4.40 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

Structure Validation

View Full Validation Report




Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)United StatesR37MH63105

Revision History  (Full details and data files)

  • Version 1.0: 2018-09-19
    Type: Initial release
  • Version 1.1: 2018-09-26
    Changes: Data collection, Database references
  • Version 1.2: 2019-12-18
    Changes: Author supporting evidence, Other