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Cryo-EM structure of SIWI-piRNA-target(49-nt)-GTSF1-Maelstrom complex (conformation 2)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5GUH in silico model AlphaFold
Sample SIWI-piRNA-target(49-nt)-GTSF1-Maelstrom complex (conformation 2)
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 90700 Reported Resolution (Å) 4.1 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (5GUH) Refinement Space REAL Refinement Protocol FLEXIBLE 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) 1000 Maximum Defocus (nm) 3000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version MODEL FITTING UCSF ChimeraX 1.8 MODEL REFINEMENT PHENIX 1.20.1 MODEL REFINEMENT Coot 0.9.8.1 MODEL REFINEMENT UCSF ChimeraX 1.8
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION