7OVQ

Immature HIV-1 matrix structure


ELECTRON MICROSCOPY
Sample
Human immunodeficiency virus 1
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSUBTOMOGRAM AVERAGING
Number of Particles22417
Reported Resolution (Å)7.2
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC3
Map-Model Fitting and Refinement
Id1 (2H3Q)
Refinement Space
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
DetailsOnly the backbone of the protein model was fitted as a rigid body.
Data Acquisition
Detector TypeGATAN K2 QUANTUM (4k x 4k)
Electron Dose (electrons/Å**2)3
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1500
Maximum Defocus (nm)5000
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
VOLUME SELECTIONMATLAB
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONCTFFIND
CTF CORRECTIONNOVACTF
MODEL FITTINGUCSF Chimera
RECONSTRUCTIONAV3
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION