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Cyanobacterial PSI Monomer from T. elongatus by Single Particle CRYO-EM at 3.2 A Resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1JB0
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 7.1648 f_angle_d 1.1651 f_chiral_restr 0.0827 f_bond_d 0.0108 f_plane_restr 0.0075
Sample Cyanobacterial PSI Monomer from T. elongatus
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 46105 Reported Resolution (Å) 3.2 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (1JB0) Refinement Space REAL Refinement Protocol OTHER Refinement Target Overall B Value 45 Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 1.34
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model JEOL CRYO ARM 200 Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 1.4 Imaging Mode BRIGHT FIELD Specimen Holder Model JEOL Nominal Magnification 60000 Calibrated Magnification 56497 Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION RELION 3.0 CTF CORRECTION RELION 3.0 MODEL FITTING Coot 0.8.9.1 INITIAL EULER ASSIGNMENT RELION 3.0 FINAL EULER ASSIGNMENT RELION 3.0 CLASSIFICATION RELION 3.0 RECONSTRUCTION RELION 3.0 MODEL REFINEMENT PHENIX 1.14-3260
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING ONLY 182018