2B6B

Cryo EM structure of Dengue complexed with CRD of DC-SIGN


ELECTRON MICROSCOPY
Sample
DENGUE VIRUS COMPLEXED WITH CRD OF DC-SIGN
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentHOMEMADE PLUNGER
Cryogen NameETHANE
Sample Vitrification DetailsSAMPLES WERE PREPARED AS THIN LAYERS OF VITREOUS ICE AND MAINTAINED AT LIQUID NITROGEN TEMPERATURE IN THE ELECTRON MICROSCOPE
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles830
Reported Resolution (Å)25
Resolution Method
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryI
Map-Model Fitting and Refinement
Id1 (1THD, 1K9I)
Refinement Space
Refinement ProtocolOTHER
Refinement Target
Overall B Value
Fitting Procedure
DetailsMETHOD--PLEASE SEE CITATION
Data Acquisition
Detector TypeKODAK SO-163 FILM
Electron Dose (electrons/Å**2)27
Imaging Experiment1
Date of Experiment2004-11-15
Temperature (Kelvin)87
Microscope ModelFEI/PHILIPS CM300FEG/T
Minimum Defocus (nm)1100
Maximum Defocus (nm)3000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification50000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGEMfit
RECONSTRUCTIONSPIDER
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
EACH VIRAL IMAGE WAS CTF CORRECTED BEFORE RECONSTRUCTION, BASED ON THE FOLLOWING EQUATION: F(CORR)=F(OBS)/[|CTF|+WIENER*(1-|CTF|)]