4V9D

Structures of the bacterial ribosome in classical and hybrid states of tRNA binding

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	6.5	291	PEG8000, MPD, pH 6.5, microbatch, temperature 291K
2	MICROBATCH	6.5	291	PEG8000, MPD, pH 6.5, microbatch, temperature 291K
3	MICROBATCH	6.5	291	PEG8000, MPD, pH 6.5, microbatch, temperature 291K
4	MICROBATCH	6.5	291	PEG8000, MPD, pH 6.5, microbatch, temperature 291K
5	MICROBATCH	6.5	291	PEG8000, MPD, pH 6.5, microbatch, temperature 291K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 211.67	α = 90
b = 438.07	β = 90
c = 613.42	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	ADSC QUANTUM 315		2010-12-03	M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	ADSC QUANTUM 315		2010-10-16	M	SINGLE WAVELENGTH
3	1	x-ray	100	CCD	ADSC QUANTUM 315		2010-11-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1	1.1	ALS	8.3.1
2	SYNCHROTRON	ALS BEAMLINE 12.3.1	1.1	ALS	12.3.1
3	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.97	APS	24-ID-C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1,2,3	3	40	83.5	0.194	7.38			938380		-3	51.273

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1,2,3	3	3.16	43.5		0.816	1.18

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	PDB ENTRIES 3I1M, 3I1N, 3I1O, 3I1P	3	40	1.8	938304	938304	19021		0.203	0.202	0.26	RANDOM	41.6019

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	19973
Nucleic Acid Atoms	34942
Solvent Atoms	203
Heterogen Atoms	72

Software

Software
Software Name	Purpose
XSCALE	data processing
PHENIX	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
PHENIX	model building
XDS	data reduction
XDS	data scaling
PHENIX	phasing

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.