8UEE

Atomic structure of Salmonella SipA/F-actin complex by cryo-EM


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d9.979
f_angle_d0.604
f_chiral_restr0.046
f_bond_d0.004
f_plane_restr0.004
Sample
Salmonella SipA/F-actin complex
Sample Components
Actin, alpha skeletal muscle
SipA
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE
Sample Vitrification Details3 uL of sample was applied on Lacey grid, then sample was blotted for 3 seconds and plunge-froze in liquid ethane
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles1548993
Reported Resolution (Å)3.2
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsReconstruction algorithm: helical refinement and non-uniform refinement in cryoSPARC that is similar to IHRSR algorithm
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC1
Axial Rise112.075
Angular Rotation53.656
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)48
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)1200
Maximum Defocus (nm)2400
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
CTF CORRECTIONcryoSPARC4.0.2
MODEL FITTINGUCSF ChimeraX1.3
MODEL FITTINGCoot0.9.8.1
MODEL REFINEMENTPHENIX1.3
MODEL REFINEMENTCoot0.9.8.1
INITIAL EULER ASSIGNMENTcryoSPARC4.0.2
FINAL EULER ASSIGNMENTcryoSPARC4.0.2
CLASSIFICATIONcryoSPARC4.0.2
RECONSTRUCTIONcryoSPARC4.0.2
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION