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 4UDV | pdb_00004udv

Cryo-EM structure of TMV at 3.35 A resolution


ELECTRON MICROSCOPY
Sample
TOBACCO MOSAIC VIRUS
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification InstrumentFEI VITROBOT MARK III
Cryogen NameETHANE
Sample Vitrification DetailsCRYOGEN - ETHANE, HUMIDITY - 90 PERCENT, TEMPERATURE - 95 K, INSTRUMENT - FEI VITROBOT MARK III PROCEDURE - BLOT FOR 8 SECONDS WITH AN OFFSET OF -2 MM ...CRYOGEN - ETHANE, HUMIDITY - 90 PERCENT, TEMPERATURE - 95 K, INSTRUMENT - FEI VITROBOT MARK III PROCEDURE - BLOT FOR 8 SECONDS WITH AN OFFSET OF -2 MM CA 30-45 SECONDS AFTER SAMPLE APPLICATION
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles450000
Reported Resolution (Å)3.35
Resolution Method
Other DetailsSUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2842. (DEPOSITION ID: 12988).
Refinement Type
Symmetry TypeHELICAL
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement TargetREAL SPACE CORRELATION
Overall B Value90
Fitting Procedure
DetailsMETHOD--LOCAL AND GLOBAL CORRELATION REFINEMENT PROTOCOL--FIBRE DIFFRACTION
Data Acquisition
Detector TypeFEI FALCON II (4k x 4k)
Electron Dose (electrons/Å**2)30.7
Imaging Experiment1
Date of Experiment2013-10-16
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)4500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification75000
Calibrated Magnification131827
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging DetailsNANOPROBE MODE, DOSE RATE CA 41 E- PX S ON THE CAMERA LEVEL, FULLY AUTOMATED ACQUISITION USING FEI EPU SOFTWARE
EM Software
TaskSoftware PackageVersion
RECONSTRUCTIONSPRING
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
CTFTILT (SPECIFIC FOR EACH SEGMENT)