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 6OLM | pdb_00006olm

CryoEM structure of PilT4 from Geobacter metallireducens with added ATP: C6cccccc conformation


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 60JX 
Sample
PilT Hexamer
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE-PROPANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles43823
Reported Resolution (Å)4.4
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC6
Map-Model Fitting and Refinement
Id1 (60JX)
Refinement Space
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value68.8
Fitting Procedure
DetailsInitial fitting in chimera, flexible fitting in Phenix-refine
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)35.7
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TECNAI 20
Minimum Defocus (nm)
Maximum Defocus (nm)
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)200
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC2
CTF CORRECTIONcryoSPARC2
MODEL FITTINGUCSF Chimera8.6.8
INITIAL EULER ASSIGNMENTcryoSPARC2
FINAL EULER ASSIGNMENTcryoSPARC2
CLASSIFICATIONcryoSPARC2
RECONSTRUCTIONcryoSPARC2
MODEL REFINEMENTPHENIX1.14
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION