☰ Navigation Tabs
Cryo-EM Structure of Smooth Muscle Gamma Actin (ACTG2) Mutant R257C
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 8F8P
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 6.368 f_angle_d 0.749 f_chiral_restr 0.052 f_plane_restr 0.008 f_bond_d 0.004
Sample ACTG2 R257C Filament
Specimen Preparation Sample Aggregation State FILAMENT Vitrification Instrument FEI VITROBOT MARK III Cryogen Name ETHANE Sample Vitrification Details Blot Force: 0
Blot Time: 2.5 s
3D Reconstruction Reconstruction Method HELICAL Number of Particles 473627 Reported Resolution (Å) 2.72 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type HELICAL Axial Symmetry C1 Axial Rise 27.5 Angular Rotation -166.6
Map-Model Fitting and Refinement Id 1 (8F8P) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 45
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 500 Maximum Defocus (nm) 2500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 81000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.0 IMAGE ACQUISITION EPU CTF CORRECTION cryoSPARC 4.0 MODEL FITTING Coot 0.9.8.3 RECONSTRUCTION cryoSPARC 4.0 MODEL REFINEMENT PHENIX 1.20.1
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION