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Mature HIV-1 matrix structure
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2H3Q experimental model PDB 2H3V
Sample Human immunodeficiency virus 1
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SUBTOMOGRAM AVERAGING Number of Particles 19586 Reported Resolution (Å) 7 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C3
Map-Model Fitting and Refinement Id 1 (2H3Q, 2H3V) Refinement Space Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details Only the backbone of the protein model was fitted as a rigid body.
Data Acquisition Detector Type GATAN K2 QUANTUM (4k x 4k) Electron Dose (electrons/Å**2) 3.5
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1500 Maximum Defocus (nm) 5000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version VOLUME SELECTION MATLAB IMAGE ACQUISITION SerialEM CTF CORRECTION CTFFIND CTF CORRECTION NOVACTF MODEL FITTING UCSF Chimera RECONSTRUCTION AV3
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION