7FAC

Crystal Structure of C-terminus of the non-structural protein 2 from SARS coronavirus

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		291	0.1M Bis-Tris (pH 6.5), 0.2M NaCl, 20% (w/v) PEG 5000 monomethy ether with IPTG

Crystal Properties
Matthews coefficient	Solvent content
2.9	57.55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 112.834	α = 90
b = 112.834	β = 90
c = 91.084	γ = 120

Symmetry
Space Group	P 65

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 270		2009-12-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-17A	0.9798	Photon Factory	BL-17A

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	2.7	50	99.5	0.131	8.7	12.2		18044

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	2.7	2.75	98.5		0.658		5.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.71	36.93	1.34	18030	899	99.61	0.2002	0.1972	0.257	87.6181

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	4019
Nucleic Acid Atoms
Solvent Atoms	9
Heterogen Atoms

Software

Software
Software Name	Purpose
PHENIX	refinement
SCALEPACK	data scaling
SOLVE	phasing
PDB_EXTRACT	data extraction
HKL-2000	data reduction

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.