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DNA bound type IV-A1 CRISPR effector complex with the DinG helicase from P. oleovorans
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 16.615 f_angle_d 0.535 f_chiral_restr 0.041 f_plane_restr 0.004 f_bond_d 0.003
Sample Type IV-A1 CRISPR-Cas effector complex with the DinG helicase from Pseudomonas oleovorans bound to crRNA and target DNA Sample Components Type IV-A1 CRISPR-Cas effector complex with the DinG helicase from Pseudomonas oleovorans bound to crRNA Target DNA
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 55924 Reported Resolution (Å) 3.18 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON III (4k x 4k) Electron Dose (electrons/Å**2) 30
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS GLACIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 92000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.2 IMAGE ACQUISITION EPU CTF CORRECTION cryoSPARC 4.2 MODEL FITTING Coot 0.9.8 MODEL FITTING ISOLDE 1.4 MODEL REFINEMENT PHENIX 1.19.2-4158 INITIAL EULER ASSIGNMENT cryoSPARC 4.2 FINAL EULER ASSIGNMENT cryoSPARC 4.2 RECONSTRUCTION cryoSPARC 4.2
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1022768