6OLJ

CryoEM structure of PilB from Geobacter metallireducens: C2ccocco conformation

ELECTRON MICROSCOPY

Sample
PilB Hexamer

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument
Cryogen Name	ETHANE-PROPANE
Sample Vitrification Details

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	3257
Reported Resolution (Å)	7.8
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT
Point Symmetry	C2

Map-Model Fitting and Refinement
Id	1 (5TSG)
Refinement Space
Refinement Protocol	FLEXIBLE FIT
Refinement Target
Overall B Value	68.8
Fitting Procedure
Details	Initial fitting in chimera, flexible fitting in Phenix-refine

Data Acquisition
Detector Type	GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)	35.7

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TECNAI 20
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	200
Imaging Details

EM Software
Task	Software Package	Version
PARTICLE SELECTION	cryoSPARC	2
CTF CORRECTION	cryoSPARC	2
MODEL FITTING	UCSF Chimera	8.6.8
INITIAL EULER ASSIGNMENT	cryoSPARC	2
FINAL EULER ASSIGNMENT	cryoSPARC	2
CLASSIFICATION	cryoSPARC	2
RECONSTRUCTION	cryoSPARC	2
MODEL REFINEMENT	PHENIX	1.14

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.