4UIF

Cryo-EM structure of Dengue virus serotype 2 in complex with antigen-binding fragments of human antibody 2D22


ELECTRON MICROSCOPY
Sample
DENGUE VIRUS SEROTYPE 2 STRAIN PVP94-07 COMPLEXED WITH FAB FRAGMENTS OF HUMAN ANTIBODY 2D22.
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsVITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 100, INSTRUMENT- FEI VITROBOT MARK IV, METHOD- BLOTTED WITH FILTER PAPER FOR 2 SECONDS PRIOR TO SNAP FRE ...VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 100, INSTRUMENT- FEI VITROBOT MARK IV, METHOD- BLOTTED WITH FILTER PAPER FOR 2 SECONDS PRIOR TO SNAP FREEZING,
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles2485
Reported Resolution (Å)6.5
Resolution Method
Other DetailsSUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2967. (DEPOSITION ID: 13277).
Refinement Type
Symmetry TypePOINT
Point SymmetryI
Map-Model Fitting and Refinement
Id1 (3J27)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement TargetREAL-SPACE CORRELATION
Overall B Value
Fitting Procedure
DetailsMETHOD--FLEXIBLE FITTING USING MDFF-NAMD REFINEMENT PROTOCOL--CRYO-EM
Data Acquisition
Detector TypeFEI FALCON II (4k x 4k)
Electron Dose (electrons/Å**2)20
Imaging Experiment1
Date of Experiment2014-02-05
Temperature (Kelvin)100
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1500
Maximum Defocus (nm)4700
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification47000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGMDFF
MODEL FITTINGNAMD
MODEL FITTINGUCSF Chimera
RECONSTRUCTIONEMAN1
RECONSTRUCTIONEMAN2
RECONSTRUCTIONMPSA
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
EACH PARTICLE