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Structure of Simian Immunodeficiency Virus Envelope Spikes bound with CD4 and Monoclonal Antibody 36D5
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4NCO
Sample Simian immunodeficiency virus Sample Components SIV envelope spike bound to CD4 and monoclonal antibody 36d5 in the open state T-cell surface glycoprotein CD4 monoclonal antibody 36D5
Specimen Preparation Sample Aggregation State CELL Vitrification Instrument HOMEMADE PLUNGER Cryogen Name ETHANE Sample Vitrification Details Plunged into liquid ethane.
3D Reconstruction Reconstruction Method TOMOGRAPHY Number of Particles 1796 Reported Resolution (Å) Resolution Method Other Details (Subtomogram Averaging--Applied Symmetry: C1) Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (4NCO) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type TVIPS TEMCAM-F415 (4k x 4k) Electron Dose (electrons/Å**2) 100
Imaging Experiment 1 Date of Experiment 2008-08-16 Temperature (Kelvin) Microscope Model FEI POLARA 300 Minimum Defocus (nm) 4000 Maximum Defocus (nm) 5000 Minimum Tilt Angle (degrees) -65 Maximum Tilt Angle (degrees) 65 Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model OTHER Nominal Magnification 31000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details