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Cryo-EM structure of hexameric SenDRT9 RT-ncRNA complex
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 26.025 f_angle_d 0.682 f_chiral_restr 0.043 f_plane_restr 0.005 f_bond_d 0.003
Sample Sen DRT9 hexameric ribonucleoprotein complex
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 500162 Reported Resolution (Å) 2.6 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry D3
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Cross-correlation coefficient Overall B Value 101.4 Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 59.8
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TALOS ARCTICA Minimum Defocus (nm) 800 Maximum Defocus (nm) 2500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 45000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.6.2 MODEL REFINEMENT PHENIX 1.21.2_5419: CTF CORRECTION cryoSPARC 4.6.2 INITIAL EULER ASSIGNMENT cryoSPARC 4.6.2 FINAL EULER ASSIGNMENT cryoSPARC 4.6.2 CLASSIFICATION cryoSPARC 4.6.2 RECONSTRUCTION cryoSPARC 4.6.2
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION Patch CTF estimation 6029711 Blob picking