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Full-length human cystathionine beta-synthase with C-terminal 6xHis-tag, basal state, single particle reconstruction
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4COO
Sample Helical assembly of full-length human cystathionine beta-synthase in the basal state
Specimen Preparation Sample Aggregation State FILAMENT Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 188230 Reported Resolution (Å) 3.1 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 (4COO) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value 61.93 Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON III (4k x 4k) Electron Dose (electrons/Å**2) 37.85
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 900 Maximum Defocus (nm) 3000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 75000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 3.0.8 CTF CORRECTION CTFFIND 4.1 MODEL FITTING UCSF ChimeraX MODEL REFINEMENT PHENIX MODEL REFINEMENT ISOLDE INITIAL EULER ASSIGNMENT RELION 3.0.8 FINAL EULER ASSIGNMENT cryoSPARC 3.1.0 CLASSIFICATION cryoSPARC 3.1.0 RECONSTRUCTION cryoSPARC 3.1.0
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 760869