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Cryo-EM structure of unliganded O-GlcNAc transferase
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3PE3 experimental model PDB 1W3B
Sample Dimeric assembly of O-GlcNAc transferase
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details Blot for 4 seconds before plunging
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 74102 Reported Resolution (Å) 5.32 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (3PE3, 1W3B) Refinement Space Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 52
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1800 Maximum Defocus (nm) 3200 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 130000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version CTF CORRECTION CTFFIND MODEL FITTING Flex-EM MODEL REFINEMENT PHENIX INITIAL EULER ASSIGNMENT RELION FINAL EULER ASSIGNMENT RELION
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION