6Z5L

Helical reconstruction of influenza A virus M1 in complex with nucleic acid.


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d24.758
f_angle_d0.453
f_chiral_restr0.035
f_bond_d0.004
f_plane_restr0.003
Sample
Helical reconstruction of influenza A virus M1 protein in complex with nucleic acid
Specimen Preparation
Sample Aggregation StateHELICAL ARRAY
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Detailssample was applied 3 times each with 30s adsorption time
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles17984
Reported Resolution (Å)3.8
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryD1
Axial Rise3.08413
Angular Rotation-11.1081
Map-Model Fitting and Refinement
Id1 (1AA7)
Refinement SpaceREAL
Refinement ProtocolAB INITIO MODEL
Refinement Targetcorrelation coefficient
Overall B Value37.9
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)47.1
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)3000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification105000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONSPRING0.86
IMAGE ACQUISITIONSerialEM3.7
CTF CORRECTIONCTFFIND4
MODEL FITTINGCoot0.9
MODEL REFINEMENTPHENIX1.18.2
INITIAL EULER ASSIGNMENTRELION3.08
FINAL EULER ASSIGNMENTRELION3.08
CLASSIFICATIONRELION3.08
RECONSTRUCTIONRELION3.08
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION463152Manual picking