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Cryo-EM structure of ADP-bound, filamentous beta-actin harboring the R183W mutation
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 8A2T
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 11.4735 f_angle_d 0.5394 f_chiral_restr 0.0445 f_bond_d 0.0038 f_plane_restr 0.0035
Sample Actin filament harboring the R183W mutation.
Specimen Preparation Sample Aggregation State FILAMENT Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 1386604 Reported Resolution (Å) 2.28 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement from Local searches in RELION. Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details The structure was refined using phenix-real-space refine.
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 70
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2000 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 130000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details Titan Krios G3 microscope was aligned using Sherpa (FEI).
Data collected in superresolution mode.
EM Software Task Software Package Version PARTICLE SELECTION crYOLO 1.5.8 IMAGE ACQUISITION EPU CTF CORRECTION CTFFIND 4.13 MODEL FITTING Coot 0.9.8.1 MODEL REFINEMENT PHENIX 1.20.1-4487-000 INITIAL EULER ASSIGNMENT SPHIRE 1.4 FINAL EULER ASSIGNMENT RELION 3.1.0 CLASSIFICATION RELION 3.1.0 RECONSTRUCTION RELION 3.1.0
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1569882