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Human TRPM4 ion channel in MSP2N2 lipid nanodisc in a calcium-bound state
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6BQV
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 7.554 f_angle_d 0.617 f_chiral_restr 0.038 f_plane_restr 0.005 f_bond_d 0.003
Sample HUMAN TRPM4 ION CHANNEL
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 103254 Reported Resolution (Å) 3.8 Resolution Method FSC 0.143 CUT-OFF Other Details Combination of particles from the best two 3D classes Refinement Type Symmetry Type POINT Point Symmetry C4
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol Refinement Target Overall B Value 147 Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 52
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 5.0 CTF CORRECTION CTFFIND 4.1 MODEL FITTING PHENIX 1.21.1-5286 MODEL FITTING Coot 0.9.8.94 INITIAL EULER ASSIGNMENT RELION 5.0 FINAL EULER ASSIGNMENT RELION 5.0 CLASSIFICATION RELION 5.0 RECONSTRUCTION RELION 5.0 MODEL REFINEMENT PHENIX 1.21.1-5286 MODEL REFINEMENT Coot 0.9.8.94
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION