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Horse liver alcohol dehydrogenase determined using single-particle cryo-EM at 200 keV
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2JHF
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 5.565 f_angle_d 0.921 f_chiral_restr 0.06 f_bond_d 0.009 f_plane_restr 0.008
Sample Alcohol dehydrogenase from equine liver
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument HOMEMADE PLUNGER Cryogen Name ETHANE Sample Vitrification Details Sample was manually blotted for 4-5 seconds using Whatman No. 1 filter paper immediately prior to plunge-freezing.
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 11672 Reported Resolution (Å) 2.9 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 (2JHF) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value 67 Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 69
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TALOS ARCTICA Minimum Defocus (nm) 5000 Maximum Defocus (nm) 16000 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 73000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION Leginon 3.2 CTF CORRECTION CTFFIND 4 MODEL FITTING UCSF Chimera 1.11.2 INITIAL EULER ASSIGNMENT RELION 2.1 FINAL EULER ASSIGNMENT RELION 2.1 RECONSTRUCTION RELION 2.1 MODEL REFINEMENT PHENIX 1.11.1_2580
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1232543