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Cryo-EM structure of light harvesting complex 2 from Rba. sphaeroides.
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 17.787 f_angle_d 0.9414 f_chiral_restr 0.0466 f_plane_restr 0.0087 f_bond_d 0.004
Sample Light harvesting complex 2
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 835641 Reported Resolution (Å) 2.1 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C9
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 41.6
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN Minimum Defocus (nm) 800 Maximum Defocus (nm) 2200 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 130000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cisTEM 1.0 CTF CORRECTION CTFFIND 4.0 INITIAL EULER ASSIGNMENT RELION 3.1 FINAL EULER ASSIGNMENT RELION 3.1 CLASSIFICATION RELION 3.1 RECONSTRUCTION RELION 3.1
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1717608