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Cryo-EM structure of CasPhi-2 (Cas12j) bound to crRNA and Phosphorothioate-DNA
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 26.1124 f_angle_d 0.7243 f_chiral_restr 0.0393 f_plane_restr 0.0038 f_bond_d 0.0035
Sample Cryo-EM map of CasPhi bound to crRNA and phosphorothioate-DNA in the presence of the nuclease magnesium cofactor
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name NITROGEN Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 410553 Reported Resolution (Å) 2.9 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 Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TALOS ARCTICA Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version CTF CORRECTION cryoSPARC 2.15 INITIAL EULER ASSIGNMENT cryoSPARC 2.15 FINAL EULER ASSIGNMENT cryoSPARC 2.15 CLASSIFICATION cryoSPARC 2.15 RECONSTRUCTION cryoSPARC 2.15
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION