4BBL

Cryo-electron microscopy reconstruction of the helical part of influenza A virus ribonucleoprotein isolated from virions.


ELECTRON MICROSCOPY
Sample
NATIVE INFLUENZA A VIRUS RIBONUCLEOPROTEIN (STRAIN A WSN 33, H1N1)
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification InstrumentLEICA EM CPC
Cryogen NameETHANE
Sample Vitrification DetailsVITRIFICATION 1 -- CRYOGEN- ETHANE, INSTRUMENT- LEICA EM CPC, METHOD- BLOT FOR 2 SECONDS BEFORE PLUNGING,
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles876
Reported Resolution (Å)18
Resolution Method
Other DetailsSUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2205.(DEPOSITION ID: 10953).
Refinement Type
Symmetry TypeHELICAL
Map-Model Fitting and Refinement
Id1 (2IQH)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement TargetVOLUMETRIC
Overall B Value
Fitting Procedure
DetailsMETHOD--RIGID BODY REFINEMENT PROTOCOL--X-RAY
Data Acquisition
Detector TypeFEI EAGLE (4k x 4k)
Electron Dose (electrons/Å**2)
Imaging Experiment1
Date of Experiment2011-01-01
Temperature (Kelvin)
Microscope ModelFEI TECNAI F20
Minimum Defocus (nm)1500
Maximum Defocus (nm)3500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.26
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification65000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGSitus
MODEL FITTINGUCSF Chimera
RECONSTRUCTIONIHRSR
RECONSTRUCTIONSPIDER
RECONSTRUCTIONXmipp
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
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