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pentameric MscL from Escherichia coli in nanodiscs
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.053 f_angle_d 0.482 f_chiral_restr 0.04 f_plane_restr 0.006 f_bond_d 0.003
Sample pentameric MscL in nanodiscs MSP1E3D1
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details 5 sec at blot force +20
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 121943 Reported Resolution (Å) 3.12 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C5
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol AB INITIO MODEL Refinement Target Cross-correlation Overall B Value 123 Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 70
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 500 Maximum Defocus (nm) 1600 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 130000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.7 IMAGE ACQUISITION EPU 3.8 CTF CORRECTION cryoSPARC 4.7 MODEL FITTING Coot 0.9.8.93 INITIAL EULER ASSIGNMENT cryoSPARC 4.7 FINAL EULER ASSIGNMENT cryoSPARC 4.7 RECONSTRUCTION cryoSPARC 4.7 MODEL REFINEMENT PHENIX 1.20.1_4487
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 3052300