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Structure of the immature retroviral capsid at 8A resolution by cryo- electron microscopy
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2KGF
Sample M-PMV CANC GAG TUBES
Specimen Preparation Sample Aggregation State HELICAL ARRAY Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details LIQUID ETHANE
3D Reconstruction Reconstruction Method HELICAL Number of Particles Reported Resolution (Å) 7 Resolution Method Other Details HELICAL RECONSTRUCTION WITH 3D ASYMMETRIC UNIT AVERAGING SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2090. (DEPOSITION ID: 10768). Refinement Type Symmetry Type HELICAL
Map-Model Fitting and Refinement Id 1 (2KGF) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details METHOD--RIGID BODY REFINEMENT PROTOCOL--NMR
Data Acquisition Detector Type KODAK SO-163 FILM Electron Dose (electrons/Å**2) 0.2
Imaging Experiment 1 Date of Experiment 2011-07-05 Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 4000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 47000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version MODEL FITTING UCSF Chimera RECONSTRUCTION AV3 RECONSTRUCTION SPIDER
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details DIVISION BY 3D CTF SQ