7NK1

1918 Influenza virus polymerase heterotirmer in complex with vRNA promoters and Nb8201


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d13.5551
f_angle_d0.6891
f_chiral_restr0.0434
f_plane_restr0.0052
f_bond_d0.004
Sample
1918 Influenza virus polymerase heterotirmer in complex with vRNA promoters and Nb8201
Sample Components
Polymerase acidic protein
RNA-directed RNA polymerase catalytic subunit
Polymerase basic protein 2
RNA
Nanobody8201
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles45716
Reported Resolution (Å)4.22
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (7HNA)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)31
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC2.15
IMAGE ACQUISITIONEPU
CTF CORRECTIONcryoSPARC2.15
MODEL FITTINGUCSF Chimera1.19
INITIAL EULER ASSIGNMENTcryoSPARC2.15
FINAL EULER ASSIGNMENTcryoSPARC2.15
CLASSIFICATIONcryoSPARC2.15
RECONSTRUCTIONcryoSPARC2.15
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1790000