Experiment: 1P4X

Crystal structure of SarS protein from Staphylococcus Aureus

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	310	NaCl, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 37K

Crystal Properties
Matthews coefficient	Solvent content
3.4	63.82

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 84.887	α = 90
b = 84.887	β = 90
c = 195.743	γ = 120

Symmetry
Space Group	P 65 2 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	IMAGE PLATE	RIGAKU RAXIS IV	Osma Mirror	2001-11-20	M	SINGLE WAVELENGTH
2	1		CCD	ADSC QUANTUM 4		2001-11-10

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.5418
2	SYNCHROTRON	APS BEAMLINE 19-BM	1.000	APS	19-BM

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	20	99	0.08	0.093	41.59	26	28880	28880		-3	33.6

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.2	2.28	98.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MIR	THROUGHOUT	2.2	19.96	1	22016	19644	987	89.4	0.24	0.24	0.2359	0.285	0.2835	RANDOM	51.1

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]
4.87	5.92		4.87		-9.74

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	19.7
c_angle_deg	1.2
c_improper_angle_d	0.76
c_bond_d	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2104
Nucleic Acid Atoms
Solvent Atoms	117
Heterogen Atoms

Software

Software
Software Name	Purpose
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing