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Retron-Eco1 filament with ADP-ribosylated Effector (full map with 2 segments)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold P23070
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 22.222 f_angle_d 0.484 f_chiral_restr 0.035 f_plane_restr 0.004 f_bond_d 0.003
Sample Filamentous assembly of Retron-Eco1 in complex with ADPr, containing RT-msr-msDNA-Effector complex (2 segments)
Specimen Preparation Sample Aggregation State FILAMENT Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details Blotting time 3 seconds
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 232272 Reported Resolution (Å) 3.09 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 RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details in ChimeraX
Data Acquisition Detector Type FEI FALCON III (4k x 4k) Electron Dose (electrons/Å**2) 39
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 600 Maximum Defocus (nm) 2400 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) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION Topaz IMAGE ACQUISITION EPU CTF CORRECTION cryoSPARC v4.2.1 MODEL FITTING UCSF ChimeraX 1.6.1 INITIAL EULER ASSIGNMENT cryoSPARC v4.2.1 FINAL EULER ASSIGNMENT cryoSPARC v4.2.1 CLASSIFICATION cryoSPARC v4.2.1 RECONSTRUCTION cryoSPARC v4.2.1 MODEL REFINEMENT PHENIX 1.20-4487
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 2432349