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Structure of Human Argonaute2-miR200b RISC bound to 13nt long target in closed conformation
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 12.555 f_angle_d 0.564 f_chiral_restr 0.04 f_plane_restr 0.005 f_bond_d 0.002
Sample Ternary complex of Human Argonaute2-miR200 guide with 13nt Target RNA (RISC-ZT13)in closed conformation
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 239359 Reported Resolution (Å) 3.4 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 AB INITIO MODEL Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 75.5
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 700 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 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 MODEL REFINEMENT PHENIX 1.20.1_4487 INITIAL EULER ASSIGNMENT cryoSPARC v3.258 CLASSIFICATION cryoSPARC v3.258 RECONSTRUCTION cryoSPARC v3.258
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 817861