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Cryo-EM structure of photosystem II C2S2 supercomplex from Norway spruce (Picea abies) at 2.8 Angstrom resolution
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 14.97 f_angle_d 0.636 f_chiral_restr 0.046 f_bond_d 0.006 f_plane_restr 0.005
Sample The C2S2-type PSII-LHCII supercomplex Sample Components Photosystem II core complex (C2) Photosystem II light-harvesting complex
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 60956 Reported Resolution (Å) 2.785 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON III (4k x 4k) Electron Dose (electrons/Å**2) 120
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS GLACIOS Minimum Defocus (nm) 500 Maximum Defocus (nm) 2000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model OTHER Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION Scipion 3.0 PARTICLE SELECTION Xmipp 3.0 IMAGE ACQUISITION EPU 2 CTF CORRECTION CTFFIND 4.1 MODEL FITTING Coot 0.9.8 INITIAL EULER ASSIGNMENT cryoSPARC 3.0 FINAL EULER ASSIGNMENT cryoSPARC 3.0 CLASSIFICATION RELION 3.1 RECONSTRUCTION cryoSPARC 3.0 MODEL REFINEMENT PHENIX 1.20.1-4487
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 202251