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cryo-EM structure of TRPM4 in ATP bound state with long coiled coil at 3.3 angstrom resolution
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 13.887 f_angle_d 0.924 f_chiral_restr 0.052 f_bond_d 0.007 f_plane_restr 0.007
Sample homotetramer of mouse TRPM4
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 14646 Reported Resolution (Å) 3.25 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C4
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1200 Maximum Defocus (nm) 3000 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 46730 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 2 IMAGE ACQUISITION EPU CTF CORRECTION Gctf MODEL REFINEMENT PHENIX INITIAL EULER ASSIGNMENT RELION 2 FINAL EULER ASSIGNMENT RELION 2 CLASSIFICATION RELION 2 RECONSTRUCTION RELION 2
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION The CTF correction was performed during the map refinement in Relion. 564549