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CryoEM structure of the Chikungunya virus nsP1 capping pores in covalent complex with a 7GMP cap structure
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6Z0V
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 6.8984 f_angle_d 0.741 f_chiral_restr 0.0436 f_plane_restr 0.0069 f_bond_d 0.0033
Sample CHIKV nsP1 capping pores covalently linked to m7GMP cap via H37
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 10758 Reported Resolution (Å) 3.2 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C12
Map-Model Fitting and Refinement Id 1 (6Z0V) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Correlation coefficient Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON III (4k x 4k) Electron Dose (electrons/Å**2) 32
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS TALOS 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 Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION crYOLO IMAGE ACQUISITION EPU CTF CORRECTION CTFFIND MODEL FITTING Coot MODEL REFINEMENT PHENIX INITIAL EULER ASSIGNMENT cryoSPARC FINAL EULER ASSIGNMENT cryoSPARC RECONSTRUCTION RELION
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 111668