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Native mammalian ribosome-bound Sec61 protein-conducting channel in the 'non-inserting' state
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3J7Q
Sample ER-DERIVED MICROSOMES
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE-PROPANE Sample Vitrification Details VITRIFICATION 1 -- CRYOGEN- ETHANE-PROPANE MIXTURE, HUMIDITY- 70, INSTRUMENT- FEI VITROBOT MARK IV, METHOD- BLOT 3 SECONDS BEFORE PLUNGING.,
3D Reconstruction Reconstruction Method TOMOGRAPHY Number of Particles 17653 Reported Resolution (Å) 9 Resolution Method Other Details WEIGHTED BACKPROJECTION AND CONSTRAINED SUBTOMOGRAM AVERAGING SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-3068. (DEPOSITION ID: 13544). Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (3J7Q) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target PSEUDO-ENERGY Overall B Value Fitting Procedure Details METHOD--FLEXIBLE REFINEMENT PROTOCOL--CRYO-EM
Data Acquisition Detector Type GATAN K2 (4k x 4k) Electron Dose (electrons/Å**2) 30
Imaging Experiment 1 Date of Experiment 2014-06-18 Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 3000 Maximum Defocus (nm) 4000 Minimum Tilt Angle (degrees) -20 Maximum Tilt Angle (degrees) 20 Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version MODEL FITTING MDFF RECONSTRUCTION AV3 RECONSTRUCTION PyTom RECONSTRUCTION TOM Toolbox
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details EACH TILT IMAGE