8OOH

Cryo-EM map of the focused refinement of the subfamily III haloalkane dehalogenase from Haloferax mediterranei dimer forming hexameric assembly.

ELECTRON MICROSCOPY

Sample
The subfamily III haloalkane dehalogenase DhmeA from Haloferax mediterranei

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

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	55074
Reported Resolution (Å)	7
Resolution Method	FSC 0.143 CUT-OFF
Other Details	1)C1 Non-uniform Refinement 2)C3 Volume Alignment 3)C3 Symmetry Expansion (55074 particles expanded to 165 222 particles) 4)C1 Local Refinement
Refinement Type
Symmetry Type	POINT

Map-Model Fitting and Refinement
Id	1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details

Data Acquisition
Detector Type	FEI FALCON II (4k x 4k)	GATAN K2 QUANTUM (4k x 4k)
Electron Dose (electrons/Å**2)	48	73

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TITAN KRIOS
Minimum Defocus (nm)	1000
Maximum Defocus (nm)	2200
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)	300
Imaging Details

EM Software
Task	Software Package	Version
CLASSIFICATION	cryoSPARC	v4
RECONSTRUCTION	cryoSPARC	v4

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.