9C4H | pdb_00009c4h

Double helical structure of influenza D RNP complex


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 5N2U 
Sample
Influenza D virus RNP complex
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE-PROPANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles44679
Reported Resolution (Å)8.6
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryD1
Axial Rise26.87
Angular Rotation61.64
Map-Model Fitting and Refinement
Id1 (5N2U)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Targetcross-correlation coefficient
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)60
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)1300
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 Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGUCSF ChimeraX1.3
RECONSTRUCTIONRELION3.1
MODEL REFINEMENTPHENIX1.19
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION