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Structure of the type I-G CRISPR effector
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 12.794 f_angle_d 0.677 f_chiral_restr 0.038 f_plane_restr 0.006 f_bond_d 0.002
Sample Type I-G cascade complex large subunit CSX17 protein
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details blot time 3.5, blot force 4
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 415000 Reported Resolution (Å) 8 Resolution Method FSC 0.143 CUT-OFF Other Details Multi-body refinement. Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Correlation Coefficient Overall B Value 188 Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1600 Maximum Defocus (nm) 2800 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 105000 Calibrated Magnification 105000 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION EPU CTF CORRECTION CTFFIND 4 MODEL FITTING Flex-EM MODEL FITTING ISOLDE MODEL FITTING UCSF ChimeraX MODEL REFINEMENT PHENIX 1.20 INITIAL EULER ASSIGNMENT RELION 4 FINAL EULER ASSIGNMENT RELION 4 CLASSIFICATION RELION 4 RECONSTRUCTION RELION 4
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING ONLY 1000