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Cryo-EM 3D model of the icosahedral particle composed of Rous sarcoma virus capsid protein pentamers
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1EM9 experimental model PDB 3G21
Sample ICOSAHEDRAL PARTICLES COMPOSED OF ROUS SARCOMA VIRUS CAPSID PROTEIN
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details CRYOGEN- ETHANE, HUMIDITY- 90, TEMPERATURE- 85, INSTRUMENT- VITROBOT MARK IV, METHOD- BLOT FOR 5 SECONDS BEFORE PLUNGING,
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 1310 Reported Resolution (Å) 18.3 Resolution Method Other Details SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-1710. Refinement Type Symmetry Type POINT Point Symmetry I
Map-Model Fitting and Refinement Id 1 (1EM9, 3G21) Refinement Space RECIPROCAL Refinement Protocol RIGID BODY FIT Refinement Target Cross-correlation coefficient Overall B Value Fitting Procedure Details METHOD--RIGID BODY REFINEMENT PROTOCOL--X-RAY
Data Acquisition Detector Type KODAK SO-163 FILM Electron Dose (electrons/Å**2) 18
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) 103 Microscope Model FEI TECNAI 12 Minimum Defocus (nm) 800 Maximum Defocus (nm) 3000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 42000 Calibrated Magnification Source LAB6 Acceleration Voltage (kV) 120 Imaging Details
EM Software Task Software Package Version MODEL FITTING Sculptor MODEL FITTING UCSF Chimera RECONSTRUCTION Bsoft RECONSTRUCTION EM3DR 2 RECONSTRUCTION PFT 2
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details EACH MICROGRAPH