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Cryo-EM structure of C-terminally truncated Apoptosis signal-regulating kinase 1 (ASK1)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2CLQ experimental model PDB 5ULM in silico model AlphaFold AF-Q99683-F1
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 11.945 f_angle_d 0.596 f_chiral_restr 0.058 f_plane_restr 0.004 f_bond_d 0.003
Sample C-terminally truncated Apoptosis signal-regulating kinase 1
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 131110 Reported Resolution (Å) 3.71 Resolution Method FSC 0.143 CUT-OFF Other Details Sharpening was done using phenix.autosharpen (1.19.1-4122) Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (2CLQ, 5ULM) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 40
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 700 Maximum Defocus (nm) 2800 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.1.2 IMAGE ACQUISITION SerialEM MODEL FITTING Coot 0.9.8.4 INITIAL EULER ASSIGNMENT cryoSPARC 4.1.2 FINAL EULER ASSIGNMENT cryoSPARC 4.1.2 CLASSIFICATION cryoSPARC 4.1.2 RECONSTRUCTION cryoSPARC 4.1.2 MODEL REFINEMENT PHENIX 1.19.1-4122
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1126189