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Cryo-EM structure of GMPCPP-microtubule (14 protofilaments) decorated with kinesin
Refinement RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.602 r_dihedral_angle_3_deg 15.38 r_dihedral_angle_1_deg 11.303 r_dihedral_angle_4_deg 10.059 r_mcangle_it 2.668 r_mcbond_it 1.439 r_mcbond_other 1.439 r_angle_refined_deg 1.436 r_angle_other_deg 0.973 r_chiral_restr 0.085
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.602 r_dihedral_angle_3_deg 15.38 r_dihedral_angle_1_deg 11.303 r_dihedral_angle_4_deg 10.059 r_mcangle_it 2.668 r_mcbond_it 1.439 r_mcbond_other 1.439 r_angle_refined_deg 1.436 r_angle_other_deg 0.973 r_chiral_restr 0.085 r_bond_refined_d 0.008 r_gen_planes_refined 0.006 r_bond_other_d 0.002 r_gen_planes_other 0.002
Sample kinesin-bound GMPCPP microtubule Sample Components Alpha tubulin Beta tubulin kinesin
Specimen Preparation Sample Aggregation State FILAMENT Vitrification Instrument FEI VITROBOT MARK II Cryogen Name ETHANE Sample Vitrification Details Blot once for 4 seconds before plunging into liquid ethane (FEI VITROBOT MARK II).
3D Reconstruction Reconstruction Method HELICAL Number of Particles Reported Resolution (Å) 3.5 Resolution Method FSC 0.143 CUT-OFF Other Details IHRSR algorithm with microtubule-specific pseudo-helical symmetry applied Refinement Type Symmetry Type HELICAL Axial Symmetry C1 Axial Rise 8.92 Angular Rotation 25.75
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 (4k x 4k) Electron Dose (electrons/Å**2) 27.6
Imaging Experiment 1 Date of Experiment 2014-03-02 Temperature (Kelvin) 90 Microscope Model FEI TITAN Minimum Defocus (nm) 1000 Maximum Defocus (nm) 3500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model GATAN LIQUID NITROGEN Nominal Magnification 27500 Calibrated Magnification 27500 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version RECONSTRUCTION EMAN 1 RECONSTRUCTION FREALIGN
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details CTFFIND4, each particle