2R1G

Coordinates of the thermus thermophilus 30S components neighboring RbfA as obtained by fitting into the CRYO-EM map of A 30S-RBFA complex

ELECTRON MICROSCOPY

Sample
THERMUS THERMOPHILUS 30S RIBOSOMAL SUBUNIT COMPLEXED WITH RBFA

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	HOMEMADE PLUNGER
Cryogen Name	ETHANE
Sample Vitrification Details	RAPID-FREEZING IN LIQUID ETHANE

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	61207
Reported Resolution (Å)	12.5
Resolution Method
Other Details	This entry contains only a CA trace for the protein and only phosphorus atom for the RNA in the coordinate. CROSS-CORRELATION COEFFICIENT (CCF) VALUE ...	This entry contains only a CA trace for the protein and only phosphorus atom for the RNA in the coordinate. CROSS-CORRELATION COEFFICIENT (CCF) VALUE FOR RBFA HOMOLOGY MODEL FITTED INTO THE CORRESPONDING CRYO-EM DENSITY WAS 0.79
Refinement Type
Symmetry Type	POINT
Point Symmetry	C1

Map-Model Fitting and Refinement
Id	1 (1J5E)
Refinement Space	REAL
Refinement Protocol	RIGID BODY FIT
Refinement Target	X-RAY COORDINATES OF T. THERMOPHILUS 30S RIBOSOMAL SUBUNIT AND THE HOMOLOGY MODEL OF T. THERMOPHILUS RBFA WERE FITTED INTO THE 12.5 ANGSTROMS RESOLUTION CRYO-EM MAP OF THE T. THERMOPHILUS 30S SUBUNIT-RBFA COMPLEX. ALL THE ATOMIC COORDINATES WERE FITTED AS RIGID BODIES
Overall B Value
Fitting Procedure
Details	METHOD--CROSS-CORRELATION BASED MANUAL FITTING IN O REFINEMENT PROTOCOL--MULTIPLE RIGID BODY

Data Acquisition
Detector Type	KODAK SO-163 FILM
Electron Dose (electrons/Å**2)	20

Imaging Experiment	1
Date of Experiment	2005-01-18
Temperature (Kelvin)	93
Microscope Model	FEI TECNAI F20
Minimum Defocus (nm)	700
Maximum Defocus (nm)	3500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS	2
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification	50000
Calibrated Magnification	50760
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	200
Imaging Details	ZEISS IMAGING SCANNER, STEP SIZE 14micro-m

EM Software
Task	Software Package	Version
MODEL FITTING	O
RECONSTRUCTION	SPIDER

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
	CTF CORRECTION OF 3D-MAPS BY WIENER FILTRATION

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.