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Structure of Human Argonaute2-miR200b RISC bound to 30nt long target RNA
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 11.324 f_angle_d 0.555 f_chiral_restr 0.041 f_bond_d 0.006 f_plane_restr 0.004
Sample Ternary complex of human Argonaute2 with miR200 guide and 30nt target RNA
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument LEICA PLUNGER Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 375289 Reported Resolution (Å) 2.8 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 61.2
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 600 Maximum Defocus (nm) 2200 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION Warp v 1.0.9 IMAGE ACQUISITION EPU v 2.10.0.5 CTF CORRECTION Warp v 1.0.9 MODEL FITTING UCSF ChimeraX INITIAL EULER ASSIGNMENT cryoSPARC v3.258 FINAL EULER ASSIGNMENT cryoSPARC v3.258 RECONSTRUCTION cryoSPARC v3.258 MODEL REFINEMENT PHENIX 1.20_4459
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1946967