3JC8 | pdb_00003jc8

Architectural model of the type IVa pilus machine in a piliated state

ELECTRON MICROSCOPY

---

Sample
Type IVa pilus machine in vivo

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	FEI VITROBOT MARK III
Cryogen Name	ETHANE
Sample Vitrification Details	Plunged into liquid ethane (FEI VITROBOT MARK III).

3D Reconstruction
Reconstruction Method	TOMOGRAPHY
Number of Particles
Reported Resolution (Å)
Resolution Method
Other Details
Refinement Type
Symmetry Type	POINT
Point Symmetry	C2

Data Acquisition
Detector Type	GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)	150

Imaging Experiment	1
Date of Experiment	2013-08-26
Temperature (Kelvin)	77
Microscope Model	FEI POLARA 300
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)	60
Maximum Tilt Angle (degrees)	-60
Nominal CS	2.2
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification	27500
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
RECONSTRUCTION	IMOD
RECONSTRUCTION	PEET
RECONSTRUCTION	TOMO3D