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Structure of the mechanosensitive channel Piezo1
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4RAX
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 7.929 f_angle_d 1.032 f_chiral_restr 0.057 f_plane_restr 0.007 f_bond_d 0.006
Sample mouse Piezo1 channel
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details blot for 1 second with -1 force before plunging
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 277548 Reported Resolution (Å) 3.8 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (4RAX) Refinement Space REAL Refinement Protocol AB INITIO MODEL Refinement Target correlation coefficient Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 47
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) Maximum Defocus (nm) 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) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 1.4 IMAGE ACQUISITION SerialEM CTF CORRECTION RELION 2 MODEL FITTING Coot 0.8.7 INITIAL EULER ASSIGNMENT cryoSPARC FINAL EULER ASSIGNMENT RELION 2 CLASSIFICATION RELION 2 RECONSTRUCTION RELION 2 MODEL REFINEMENT PHENIX 1.12-2829
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 576191