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Undecorated 13pf mosaic 20%E254Q - 80% E254QN microtubule from recombinant human tubulin
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7SJ7
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 12.155 f_angle_d 0.6016 f_chiral_restr 0.0433 f_plane_restr 0.0043 f_bond_d 0.0026
Sample Undecorated 13pf E254Q microtubule from recombinant human tubulin
Specimen Preparation Sample Aggregation State HELICAL ARRAY Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method HELICAL Number of Particles 30691 Reported Resolution (Å) 4.3 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type HELICAL Axial Symmetry C13 Axial Rise 9.59709 Angular Rotation -27.6692
Map-Model Fitting and Refinement Id 1 (7sj7) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value 190 Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 7.25
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS GLACIOS Minimum Defocus (nm) 1000 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 RELION 3.1.2 CTF CORRECTION RELION 3.1.2 MODEL FITTING Coot 0.9.8.92 MODEL REFINEMENT PHENIX 1.21 CLASSIFICATION RELION 3.1.2 RECONSTRUCTION PHENIX 1.21
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 44726