6UZH

Cryo-EM structure of mechanosensitive channel MscS reconstituted into peptidiscs


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d4.835
f_angle_d0.898
f_chiral_restr0.058
f_bond_d0.008
f_plane_restr0.006
Sample
Small-conductance mechanosensitive channel MscS
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
Embedding Materialvitreous ice
Embedding Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles99883
Reported Resolution (Å)3.3
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC7
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)80
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)-1500
Maximum Defocus (nm)-3500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONGautomatchv0.56_sm20_cu7.5
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONCTFFIND4.1.8
INITIAL EULER ASSIGNMENTRELION3.0
FINAL EULER ASSIGNMENTRELION3.0
CLASSIFICATIONRELION3.0
RECONSTRUCTIONRELION3.0
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION