8QOX

Two-component assembly of SlaA and SlaB S-layer proteins of Sulfolobus acidocaldarius


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 7ZCX 
in silico modelAlphaFold 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.223
f_angle_d3.489
f_chiral_restr0.199
f_bond_d0.035
f_plane_restr0.025
Sample
Two component S-layer ofSulfolobus acidocaldarius.
Specimen Preparation
Sample Aggregation State3D ARRAY
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSUBTOMOGRAM AVERAGING
Number of Particles2771
Reported Resolution (Å)11.2
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC3
Map-Model Fitting and Refinement
Id1 (7ZCX)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeTFS FALCON 4i (4k x 4k)GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)2.022.02
Imaging Experiment12
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOSTFS TALOS
Minimum Defocus (nm)40004000
Maximum Defocus (nm)60006000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.72.7
Imaging ModeBRIGHT FIELDBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDERFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUNFIELD EMISSION GUN
Acceleration Voltage (kV)300200
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONFEI tomography4
CTF CORRECTIONWarp1.0.9
IMAGE ACQUISITIONFEI tomography4
FINAL EULER ASSIGNMENTWarp1.0.9
RECONSTRUCTIONWarp1.0.9
MODEL REFINEMENTPHENIX1.16_3549:
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION