Experiment: 2Q00

Crystal structure of the P95883_SULSO protein from Sulfolobus solfataricus. NESG target SsR10.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH UNDER OIL	6	277	20 % PEG 4000, 0.1 M Ammonium thiocyanate, 0.1 M MES, pH 6.0, MICROBATCH UNDER OIL, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.83	56.58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 87.927	α = 90
b = 87.927	β = 90
c = 176.87	γ = 90

Symmetry
Space Group	I 41 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	CCD	ADSC QUANTUM 4		2007-05-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4A	0.97909	NSLS	X4A

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	2.4	50	97.4	0.053	26.8	3.8	25384	25384			20.4

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)
	2.4	2.5	100		0.545	2.6	3.8	5179

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SIRAS	THROUGHOUT	2.4	36.03	2	21798	868	84.1	0.225	0.225	0.2373	0.265	0.2721	RANDOM	57.3

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]
6.18			6.18		-12.35

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	17.3
c_angle_deg	1.1
c_improper_angle_d	0.72
c_bond_d	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1913
Nucleic Acid Atoms
Solvent Atoms	29
Heterogen Atoms

Software

Software
Software Name	Purpose
CNS	refinement
HKL-2000	data collection
DENZO	data reduction
SCALEPACK	data scaling
SHELXDE	phasing
RESOLVE	phasing