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Anaerobically isolated active [FeFe]-hydrogenase CbA5H
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6TTL
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 9.199 f_angle_d 0.671 f_chiral_restr 0.04 f_bond_d 0.003 f_plane_restr 0.003
Sample homodimeric structure of the active [FeFe]-hydrogenase CbA5H
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details Vitrification carried out in anaerobic condition
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 175586 Reported Resolution (Å) 2.21 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 (6TTL) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 60
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 600 Maximum Defocus (nm) 2000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 0.01 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 3.1 IMAGE ACQUISITION SerialEM CTF CORRECTION Gctf MODEL FITTING UCSF Chimera MODEL FITTING Coot INITIAL EULER ASSIGNMENT RELION 3.1 FINAL EULER ASSIGNMENT RELION 3.1 CLASSIFICATION RELION 3.1 RECONSTRUCTION RELION 3.1 MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING ONLY 7759751