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Cryo electron microscopy of actively translating human polysomes (POST state).
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4UJE
Sample NATIVE RIBOSOMAL COMPLEX FROM POLYSOMES - POST STATE
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK II Cryogen Name ETHANE Sample Vitrification Details VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 100, TEMPERATURE- 93, INSTRUMENT- FEI VITROBOT MARK II, METHOD- BLOT FOR 2-4 SECONDS BEFORE PLUNGING,
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 313321 Reported Resolution (Å) 3.5 Resolution Method Other Details SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2875. (DEPOSITION ID: 13060). Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (4UJE) Refinement Space REAL Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type TVIPS TEMCAM-F416 (4k x 4k) Electron Dose (electrons/Å**2) 20
Imaging Experiment 1 Date of Experiment 2012-08-20 Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 2000 Maximum Defocus (nm) 4500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 115000 Calibrated Magnification 205000 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details DATA WAS COLLECTED AUTOMATICALLY WITH LEGINON
EM Software Task Software Package Version CTF CORRECTION CTFFIND 3 PARTICLE SELECTION Signature RECONSTRUCTION SPARX RECONSTRUCTION SPIDER
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details DEFOCUS GROUPS