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Catalase cryoEM structure from Micrococcus luteus at 1.9 Angstrom resolution.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1GZE
Refinement RMS Deviations Key Refinement Restraint Deviation s_angle_nonh_d 1.56810661 s_bond_nonh_d 0.00683928822
Sample catalase with cofactor NADPH
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument HOMEMADE PLUNGER Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 261172 Reported Resolution (Å) 1.9 Resolution Method FSC 0.143 CUT-OFF Other Details Standard Relion gold standard. Refinement Type Symmetry Type POINT Point Symmetry D2
Map-Model Fitting and Refinement Id 1 (1GZE) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type TFS FALCON 4i (4k x 4k) Electron Dose (electrons/Å**2) 50.4
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 11400 Maximum Defocus (nm) 18100 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 155000 Calibrated Magnification 273437 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details Only one optical group, with minimal beam tilt.
EM Software Task Software Package Version PARTICLE SELECTION Topaz IMAGE ACQUISITION EPU CTF CORRECTION RELION 4.0 MODEL FITTING Coot 0.9.8.93 INITIAL EULER ASSIGNMENT RELION 4.0 FINAL EULER ASSIGNMENT RELION 4.0 CLASSIFICATION RELION 4.0 RECONSTRUCTION RELION 4.0 MODEL REFINEMENT Servalcat 0.4.72
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1046104