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cryo-ET subtomogram averaging of BG505 SOSIP.664 in complex with sCD4, 17b, and 8ANC195
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1RZK
Sample SOLUBLE HIV-1 ENV TRIMER BG505 SOSIP.664 IN COMPLEX WITH SOLUBLE CD4S (D1-D2), BROADLY NEUTRALIZING ANTIBODY 17B FABS, AND BROADLY NEUTRALIZING
ANTIBODY 8ANC195 VARIANT G32K5 FABS
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE-PROPANE Sample Vitrification Details VITRIFICATION 1 -- CRYOGEN- ETHANE-PROPANE MIXTURE, HUMIDITY- 95, TEMPERATURE- 70, INSTRUMENT- FEI
3D Reconstruction Reconstruction Method TOMOGRAPHY Number of Particles 1745 Reported Resolution (Å) 23 Resolution Method Other Details SUBTOMOGRAM AVERAGING SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-3096. (DEPOSITION ID: 13596). Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (1RZK) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details METHOD--RIGID BODY
Data Acquisition Detector Type GATAN K2 (4k x 4k) Electron Dose (electrons/Å**2) 120
Imaging Experiment 1 Date of Experiment 2015-01-25 Temperature (Kelvin) Microscope Model FEI TECNAI F30 Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) -60 Maximum Tilt Angle (degrees) 60 Nominal CS 2.2 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 41000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version MODEL FITTING UCSF Chimera RECONSTRUCTION EMAN 2 RECONSTRUCTION IMOD RECONSTRUCTION PEET
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details EACH MICROGRAPH