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Cryo-EM structure of the mutant solitary ECF module 2EQ in MSP2N2 lipid nanodiscs in the ATPase closed and ATP-bound conformation
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.52 f_angle_d 0.513 f_chiral_restr 0.041 f_plane_restr 0.004 f_bond_d 0.003
Sample Mutant solitary ECF module 2EQ
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE-PROPANE Sample Vitrification Details 2.9 mM fluorinated Fos-choline 8 was added prior to sample application onto grids. Grids were blotted for 3.5-4 sec.
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 270770 Reported Resolution (Å) 2.6 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 60
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 900 Maximum Defocus (nm) 1900 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 105000 Calibrated Magnification 59809 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION crYOLO 1.8.2 IMAGE ACQUISITION EPU 2.8.1 CTF CORRECTION CTFFIND 4.1.14 MODEL FITTING Coot 0.9.8.1 MODEL REFINEMENT PHENIX 1.20.1-4487-000 INITIAL EULER ASSIGNMENT cryoSPARC 3.3.1 FINAL EULER ASSIGNMENT cryoSPARC 3.3.1 RECONSTRUCTION cryoSPARC 3.3.1
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 4910226