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70S initiation complex (tRNA-fMet M1 + CUG start codon)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7K00
Sample 70S initiation complex (tRNA-fMet M1 + CUG start codon)
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 132954 Reported Resolution (Å) 2.63 Resolution Method FSC 0.143 CUT-OFF Other Details cryoSPARC homogeneous 3D refinement Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (7K00) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value 64.9 Fitting Procedure Details Starting model was fit into the unsharpened 3D reconstruction in UCSF ChimeraX before performing real-space refinement with the sharpened map in PHENI ... Starting model was fit into the unsharpened 3D reconstruction in UCSF ChimeraX before performing real-space refinement with the sharpened map in PHENIX
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 58.4
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TALOS ARCTICA Minimum Defocus (nm) 600 Maximum Defocus (nm) 1800 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 79000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION Topaz 0.2.5 IMAGE ACQUISITION EPU CTF CORRECTION cryoSPARC 4.5.3 MODEL FITTING UCSF ChimeraX 1.8 INITIAL EULER ASSIGNMENT cryoSPARC 4.5.3 FINAL EULER ASSIGNMENT cryoSPARC 4.5.3 CLASSIFICATION cryoSPARC 4.5.3 RECONSTRUCTION cryoSPARC 4.5.3 MODEL REFINEMENT PHENIX 1.20.1-4487-000
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION cryoSPARC patch CTF estimation 835144