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Cryo-EM structure of Posidonia oceanica PSI-LHCI supercomplex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5ZJI
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 19.0326 f_angle_d 0.6274 f_chiral_restr 0.0744 f_plane_restr 0.0075 f_bond_d 0.0033
Sample Photosystem I (PSI-LHCI)
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 120603 Reported Resolution (Å) 2.83 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (5ZJI) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS GLACIOS Minimum Defocus (nm) 750 Maximum Defocus (nm) 2500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 130000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.6.2 MODEL FITTING UCSF ChimeraX 1.9 MODEL REFINEMENT PHENIX 1.21.2_5419 RECONSTRUCTION cryoSPARC 4.6.2
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION