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Cryo-EM structure of Hfq-Crc-rbsB translation repression complex
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 15.142 f_angle_d 0.38 f_chiral_restr 0.04 f_plane_restr 0.003 f_bond_d 0.001
Sample Complex of the RNA chaperone Hfq and helper protein Crc assembled on a rbsB mRNA fragment Sample Components Catabolite repression control protein rbsB mRNA RNA-binding protein Hfq
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 148700 Reported Resolution (Å) 3.8 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 Refinement Space 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) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2600 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 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 IMAGE ACQUISITION EPU CTF CORRECTION CTFFIND 4.1 MODEL FITTING UCSF Chimera 1.13.1 INITIAL EULER ASSIGNMENT cryoSPARC 2.15 FINAL EULER ASSIGNMENT cryoSPARC 2.15 RECONSTRUCTION cryoSPARC 2.15 MODEL REFINEMENT REFMAC MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION