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Cryo-EM structure of wild-type Arabidopsis thaliana mechanosensitive channel of small conductance-like protein 2 (MSL2) in DOPC lipid nanodiscs.
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 3.791 f_angle_d 0.523 f_chiral_restr 0.046 f_bond_d 0.003 f_plane_restr 0.003
Sample Mechanosensitive channel protein 2 (MSL2) from Arabidopsis thaliana
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details 20 s wait time, 1 s blotting time and -2 blot force.
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 937269 Reported Resolution (Å) 2.3 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C7
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 54
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 1000 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 81000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC MODEL REFINEMENT PHENIX 1.20.1_4487 IMAGE ACQUISITION SerialEM CTF CORRECTION cryoSPARC FINAL EULER ASSIGNMENT cryoSPARC CLASSIFICATION cryoSPARC RECONSTRUCTION cryoSPARC
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 937269