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Mechanosensitive channel MscS solubilized with DDM in closed conformation with added lipid
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6RLD
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 9.333 f_angle_d 0.363 f_chiral_restr 0.039 f_bond_d 0.003 f_plane_restr 0.002
Sample homoheptameric complex of MscS coordinated with lipids and detergent DDM
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details 7 sec blotting,
blot force +25
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 399384 Reported Resolution (Å) 3.1 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C7
Map-Model Fitting and Refinement Id 1 (6RLD) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target WEIGHTED MAP SUM AT ATOM CENTERS Overall B Value 53 Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON III (4k x 4k) Electron Dose (electrons/Å**2) 80
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1200 Maximum Defocus (nm) 2200 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 75000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION crYOLO PARTICLE SELECTION RELION 3.1 IMAGE ACQUISITION EPU CTF CORRECTION CTFFIND 4 MODEL FITTING Coot 0.9.2 INITIAL EULER ASSIGNMENT RELION 3.1 FINAL EULER ASSIGNMENT RELION 3.1 CLASSIFICATION RELION 3.1 RECONSTRUCTION RELION 3.1 MODEL REFINEMENT PHENIX 1.19
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 711625