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Structure of Photosystem I from Chlamydomonas reinhardtii at 1.83 A resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7ZQC
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 16.5119 f_angle_d 0.7992 f_chiral_restr 0.0437 f_plane_restr 0.0051 f_bond_d 0.0032
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 246159 Reported Resolution (Å) 1.83 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (7ZQC) 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 KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode OTHER Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.7.1 CTF CORRECTION cryoSPARC 4.7.1 MODEL FITTING Coot 0.9.8.96 INITIAL EULER ASSIGNMENT cryoSPARC 4.7.1 FINAL EULER ASSIGNMENT cryoSPARC 4.7.1 CLASSIFICATION cryoSPARC 4.7.1 RECONSTRUCTION cryoSPARC 4.7.1 MODEL REFINEMENT PHENIX dev_5533
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 30