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Activated Leptotrichia buccalis (Lbu) CRISPR-Cas13a bound to AI-designed anti-CRISPR AIcrVIA1
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model Other experimental model PDB 5XWP
Sample Activated Leptotrichia buccalis (Lbu) CRISPR-Cas13a bound to AI-designed anti-CRISPR AIcrVIA1 Sample Components AIcrVIA1 LbuCas13a-crRNA-aRNA LbuCas13a crRNA-aRNA crRNA aRNA
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 20357 Reported Resolution (Å) 3.43 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (5XWP, 5XWP, 5XWP) Refinement Space Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TALOS ARCTICA Minimum Defocus (nm) 800 Maximum Defocus (nm) 1400 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 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 PARTICLE SELECTION Topaz 0.2.5 IMAGE ACQUISITION EPU CTF CORRECTION cryoSPARC 4.5.2 MODEL FITTING UCSF ChimeraX INITIAL EULER ASSIGNMENT cryoSPARC 4.5.2 FINAL EULER ASSIGNMENT cryoSPARC 4.5.2 CLASSIFICATION cryoSPARC 4.5.2 RECONSTRUCTION Coot 0.9.4 RECONSTRUCTION PHENIX 1.18.2 MODEL REFINEMENT PHENIX 1.18.2
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION