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 4BON | pdb_00004bon

The structure and super-organization of acetylcholine receptor-rapsyn complexes class B


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2BG9 
Sample
Postsynaptic membrane isolated from Torpedo marmorata electric organ
Specimen Preparation
Sample Aggregation StateTISSUE
Vitrification InstrumentHOMEMADE PLUNGER
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodTOMOGRAPHY
Number of Particles3564
Reported Resolution (Å)40
Resolution Method
Other DetailsSUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2378. (DEPOSITION ID: 11668)
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (2BG9)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
DetailsMETHOD--RIGID BODY REFINEMENT PROTOCOL--ELECTRON MICROSCOPY
Data Acquisition
Detector TypeGATAN ULTRASCAN 4000 (4k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment2008-07-25
Temperature (Kelvin)85
Microscope ModelFEI TECNAI F30
Minimum Defocus (nm)3000
Maximum Defocus (nm)6000
Minimum Tilt Angle (degrees)-70
Maximum Tilt Angle (degrees)70
Nominal CS2
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification69000
Calibrated Magnification80213
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging DetailsDUAL TILT AXIS TOMOGRAPHY
EM Software
TaskSoftware PackageVersion
MODEL FITTINGUCSF Chimera
RECONSTRUCTIONIMOD
RECONSTRUCTIONPRIISM/IVE
RECONSTRUCTIONTOMO3D
RECONSTRUCTIONXmipp