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Gag CA-SP1 immature lattice bound with Lenacapavir from enveloped virus like particles
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 9CWV
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 12.1121 f_angle_d 0.7096 f_chiral_restr 0.043 f_plane_restr 0.0047 f_bond_d 0.004
Sample Human immunodeficiency virus type 1 (NEW YORK-5 ISOLATE)
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK III Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 1379674 Reported Resolution (Å) 2.18 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C6
Map-Model Fitting and Refinement Id 1 (9CWV) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1200 Maximum Defocus (nm) 2200 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 81000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version MODEL REFINEMENT PHENIX 1.21_5207
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION Patch CTF estimation on micrographs; global and local CTF refinment on particles. Both performed in cryoSPARC.