5YI5

human ferritin mutant - E-helix deletion

ELECTRON MICROSCOPY

Sample
human ferritin E-helix deletion mutant

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	FEI VITROBOT MARK IV
Cryogen Name	ETHANE
Sample Vitrification Details	blot for 9 seconds before plunging

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	429135
Reported Resolution (Å)	3
Resolution Method	FSC 0.143 CUT-OFF
Other Details	relion2.0 program was used for the reconstruction
Refinement Type
Symmetry Type	POINT

Map-Model Fitting and Refinement
Id	1 (4Y08)
Refinement Space	REAL
Refinement Protocol	FLEXIBLE FIT
Refinement Target
Overall B Value	29.56
Fitting Procedure
Details

Data Acquisition
Detector Type	FEI FALCON II (4k x 4k)
Electron Dose (electrons/Å**2)	2

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS	0.002
Imaging Mode	BRIGHT FIELD
Specimen Holder Model	FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification	47000
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
IMAGE ACQUISITION	RELION	2.0
CTF CORRECTION	CTFFIND	4.0
MODEL FITTING	UCSF Chimera	1.10.2
INITIAL EULER ASSIGNMENT	RELION	2.0
FINAL EULER ASSIGNMENT	RELION	2.0
CLASSIFICATION	RELION	2.0
RECONSTRUCTION	RELION	2.0
MODEL REFINEMENT	PHENIX	1.10.1

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION		623510

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.