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Helical reconstruction of the human cardiac actin-tropomyosin-myosin complex in the rigor form
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6X5Z
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.285 f_angle_d 0.548 f_chiral_restr 0.042 f_plane_restr 0.004 f_bond_d 0.003
Sample Human cardiac actin-tropomyosin-beta-myosin II complex in the rigor form. Sample Components Cardiac F-actin complex Human cardiac myosin II Human cardiac tropomyosin
Specimen Preparation Sample Aggregation State FILAMENT Vitrification Instrument FEI VITROBOT MARK III Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method HELICAL Number of Particles 176178 Reported Resolution (Å) 3.4 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type HELICAL Axial Symmetry C1 Axial Rise 27.9 Angular Rotation -166.4
Map-Model Fitting and Refinement Id 1 (6X5Z) Refinement Space REAL Refinement Protocol OTHER Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 53.7
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 700 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 80000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 3.1.1 IMAGE ACQUISITION Leginon CTF CORRECTION CTFFIND MODEL FITTING PHENIX 1.18 MODEL REFINEMENT PHENIX 1.18 INITIAL EULER ASSIGNMENT RELION 3.1.1 FINAL EULER ASSIGNMENT RELION 3.1.1 RECONSTRUCTION RELION 3.1.1
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING ONLY 1045903