8QP0

A hexamer pore in the S-layer of Sulfolobus acidocaldarius formed by SlaA protein


ELECTRON MICROSCOPY

Starting Model(s)

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

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d5.286
f_angle_d0.676
f_chiral_restr0.045
f_plane_restr0.005
f_bond_d0.002
Sample
S-layer of Sulfolobus acidocaldarius
Specimen Preparation
Sample Aggregation State3D ARRAY
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSUBTOMOGRAM AVERAGING
Number of Particles2271
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 Space
Refinement Protocol
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 REFINEMENTPHENIX1.20.1_4487:
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION