6Z6G

Cryo-EM structure of La Crosse virus polymerase at pre-initiation stage


ELECTRON MICROSCOPY
Sample
La Crosse virus polymerase at pre-initiation stage
Sample Components
La Crosse virus polymerase at pre-initiation stage
La Crosse virus polymerase at pre-initiation stage
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Detailsblot time: 2 sec, blot force: 1
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles57660
Reported Resolution (Å)3.06
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (5AMQ)
Refinement SpaceREAL
Refinement ProtocolAB INITIO MODEL
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)1.25
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)-800
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 Magnification165000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONcryoSPARC
MODEL FITTINGCoot
INITIAL EULER ASSIGNMENTRELION
FINAL EULER ASSIGNMENTRELION3.1
CLASSIFICATIONRELION3.1
RECONSTRUCTIONRELION3.1
MODEL REFINEMENTPHENIX
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION4065475