4C4Q

Cryo-EM map of the CSFV IRES in complex with the small ribosomal 40S subunit and DHX29

ELECTRON MICROSCOPY

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Sample
CSFV IRES TRUNCATED FROM DOMAIN II, IN COMPLEX WITH THE RABBIT SMALL RIBOSOMAL 40S SUBUNIT AND TO DHX29

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	FEI VITROBOT MARK II
Cryogen Name	ETHANE
Sample Vitrification Details	VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 100, TEMPERATURE- 120, INSTRUMENT- FEI VITROBOT MARK II, METHOD- 30 SECONDS WAITING AFTER SAMPLE DEPOSITION ON THE GRID, BLOTTING FOR SECONDS BEFORE PLUNGING,

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	72900
Reported Resolution (Å)	8.5
Resolution Method
Other Details	SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2450. (DEPOSITION ID: 11933)
Refinement Type
Symmetry Type	POINT
Point Symmetry	C1

Map-Model Fitting and Refinement
Id	1 (2XZM)
Refinement Space	RECIPROCAL
Refinement Protocol	OTHER
Refinement Target
Overall B Value
Fitting Procedure
Details	REFINEMENT PROTOCOL--X-RAY

Data Acquisition
Detector Type	GATAN ULTRASCAN 4000 (4k x 4k)
Electron Dose (electrons/Å**2)	12

Imaging Experiment	1
Date of Experiment	2013-02-01
Temperature (Kelvin)	110
Microscope Model	FEI TECNAI F20
Minimum Defocus (nm)	1000
Maximum Defocus (nm)	4000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS	2.26
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification	51570
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	120
Imaging Details

EM Software
Task	Software Package	Version
RECONSTRUCTION	RELION
RECONSTRUCTION	SPIDER

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
	EACH PARTICLE