3J6S

Cryo-EM structure of Dengue virus serotype 3 at 28 degrees C


ELECTRON MICROSCOPY
Sample
Dengue virus serotype 3
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsBlotted with filter paper for 2 seconds prior to snap freezing in liquid ethane (FEI VITROBOT MARK IV)
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles6800
Reported Resolution (Å)6
Resolution MethodFSC 0.5 CUT-OFF
Other Details(Single particle details: Particles were manually selected.) (Single particle--Applied symmetry: I)
Refinement Type
Symmetry TypePOINT
Point SymmetryI
Map-Model Fitting and Refinement
Id1 (3J27, 3J27)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Targetreal space correlation
Overall B Value
Fitting Procedure
DetailsREFINEMENT PROTOCOL--flexible DETAILS--Initially fitted in Chimera, model rebuilt in Coot, refined in NAMD/MDFF
Data Acquisition
Detector TypeGATAN ULTRASCAN 4000 (4k x 4k)
Electron Dose (electrons/Å**2)20.4
Imaging Experiment1
Date of Experiment2011-10-27
Temperature (Kelvin)100
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1100
Maximum Defocus (nm)3500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification75000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGCoot
MODEL FITTINGMDFF
MODEL FITTINGNAMD
MODEL FITTINGUCSF Chimera
RECONSTRUCTIONEMAN1
RECONSTRUCTIONEMAN2
RECONSTRUCTIONMPSA
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
each particle