9HVC | pdb_00009hvc

CryoEM structure of cyclised H-pilus


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.487
f_angle_d0.366
f_chiral_restr0.035
f_bond_d0.003
f_plane_restr0.003
Sample
H-pilus
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles123942
Reported Resolution (Å)2.24
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC5
Axial Rise12.14
Angular Rotation28.93
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)1800
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
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 SELECTIONcryoSPARC
IMAGE ACQUISITIONEPU
CTF CORRECTIONcryoSPARC
MODEL FITTINGBuccaneer
MODEL FITTINGUCSF ChimeraX
MODEL FITTINGCoot
INITIAL EULER ASSIGNMENTcryoSPARC
FINAL EULER ASSIGNMENTcryoSPARC
RECONSTRUCTIONcryoSPARC
MODEL REFINEMENTPHENIX1.20.1_4487
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
NONE