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20S supercomplex consisting of truncated neuronal SNARE complex, alpha-SNAP, and N-ethylmaleimide sensitive factor (NSF)
Sample Components
N-ethylmaleimide sensitive factor
alpha Soluble NSF Attachment Protein
Syntaxin-1A
Synaptobrevin-2
Synaptosomal-associated protein 25
Specimen Preparation
Sample Aggregation State
PARTICLE
Vitrification Instrument
FEI VITROBOT MARK I
Cryogen Name
ETHANE
Sample Vitrification Details
Blot for 3.5 seconds before plunging into liquid ethane (FEI VITROBOT MARK I).
3D Reconstruction
Reconstruction Method
SINGLE PARTICLE
Number of Particles
21489
Reported Resolution (Å)
7.8
Resolution Method
FSC 0.143 CUT-OFF
Other Details
(Single particle details: 3D classification, refinement, and reconstruction were performed using RELION) (Single particle--Applied symmetry: C1)
Refinement Type
Symmetry Type
POINT
Point Symmetry
C1
Map-Model Fitting and Refinement
Id
1 (1NSF, 1QCS, 1N7S, 1N7S, 1N7S, 1N7S)
Refinement Space
RECIPROCAL
Refinement Protocol
FLEXIBLE FIT
Refinement Target
R-factor
Overall B Value
Fitting Procedure
Details
REFINEMENT PROTOCOL--flexible DETAILS--D2 domain of NSF was from crystal
structure 1NSF. D1 domain of NSF was from related entry EMD-6204. N domain o ...
REFINEMENT PROTOCOL--flexible DETAILS--D2 domain of NSF was from crystal
structure 1NSF. D1 domain of NSF was from related entry EMD-6204. N domain of
NSF was from crystal structure 1QCS. aSNAP was a homology model. SNARE complex
was from crystal structure 1N7S.