Experiment: 3RF2

Crystal Structure of 30S Ribosomal Protein S8 from Aquifex Aeolicus

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	4.6	295	40% PEG 400, 0.1M sodium acetate, 0.2M lithium sulphate, pH 4.6, VAPOR DIFFUSION, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.23	44.93

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 96.235	α = 90
b = 96.235	β = 90
c = 37.614	γ = 90

Symmetry
Space Group	P 41 21 2

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	MARMOSAIC 325 mm CCD		2010-06-23	M	SINGLE WAVELENGTH
2	1	x-ray		CCD	MARMOSAIC 325 mm CCD		2010-04-29	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.979	SSRL	BL11-1
2	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.978, 0.918, 0.979	SSRL	BL11-1

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	2.16	50	99.3	0.062	14.4	12.3		9918		3

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	2.16	2.24	96.1		0.236		4.6	940

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD, MOLECULAR REPLACEMENT	2.16	30.432	9730	9730	971	97.83	0.2275	0.2275	0.2231	0.2194	0.2674	0.267	RANDOM	51.4623

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]
-6.4335			-6.4335		12.867

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.451
f_angle_d	0.987
f_chiral_restr	0.065
f_bond_d	0.007
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1333
Nucleic Acid Atoms
Solvent Atoms	51
Heterogen Atoms	25

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
SOLVE	phasing
RESOLVE	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
Blu-Ice	data collection