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Thermoplasma acidophilum 20S proteasome
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1PMA
Sample Thermoplasma acidophilum 20S proteasome Sample Components proteasome alpha subunit proteasome beta subunit
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK III Cryogen Name ETHANE Sample Vitrification Details Plunged into liquid ethane (FEI VITROBOT MARK III)
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 126729 Reported Resolution (Å) 3.3 Resolution Method FSC 0.143 CUT-OFF Other Details Gold Standard FSC, imposed symmetry: D7 Refinement Type HALF-MAPS REFINED INDEPENDENTLY Symmetry Type POINT Point Symmetry D7
Map-Model Fitting and Refinement Id 1 (1PMA) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details REFINEMENT PROTOCOL--Flexible
Data Acquisition Detector Type GATAN K2 (4k x 4k) Electron Dose (electrons/Å**2) 20
Imaging Experiment 1 Date of Experiment 2012-06-01 Temperature (Kelvin) Microscope Model FEI POLARA 300 Minimum Defocus (nm) 800 Maximum Defocus (nm) 1900 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 31000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version MODEL FITTING MDFF MODEL FITTING UCSF Chimera RECONSTRUCTION FREALIGN
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details Each Particle