2X5Q

Crystal Structure of Hypothetical protein sso1986 from Sulfolobus solfataricus P2

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4		19.2% PEG 6000, 0.1M NA-CITRATE, PH4.0, 0.93M LICL2, 9% ETHYLENE GLYCOL FREEZING SOLUTION: 21.0% PEG 6000, 0.1M NA-CITRATE, PH4.0, 0.5M LICL2, 25% ETHYLENE GLYCOL.DERIVATIVE CRYSTALS FOR SAD PHASING WERE OBTAINED BY SOAKING THE CRYSTALS IN 200 MM TRIMETHYLLEAD CHLORIDE, 500 MM POTASSIUM OSMATE AND 200 MM DIPOTASSIUM HEXACHLORO OSMATE

Crystal Properties
Matthews coefficient	Solvent content
1.97	37.41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 127.933	α = 90
b = 46.183	β = 109.26
c = 62.574	γ = 90

Symmetry
Space Group	C 1 2 1

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 CCD	MIRRORS	2007-09-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29		ESRF	ID29

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	2.05	29.54	99	0.06	4.5	4.1		20562

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	2.05	2.1	97.7		0.35	4.5	3.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	SAD	THROUGHOUT	NONE	2.05	29.54	20562	1085	98.68	0.19073	0.18883	0.2	0.22682	0.24	RANDOM	28.249

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]
-1.92		0.55	1.84		0.44

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.252
r_dihedral_angle_4_deg	15.29
r_dihedral_angle_3_deg	13.777
r_dihedral_angle_1_deg	6.247
r_scangle_it	1.829
r_scbond_it	1.41
r_angle_refined_deg	1.229
r_mcangle_it	0.847
r_angle_other_deg	0.824
r_mcbond_it	0.721
r_symmetry_vdw_other	0.283
r_symmetry_hbond_refined	0.247
r_symmetry_vdw_refined	0.225
r_nbd_refined	0.205
r_nbd_other	0.185
r_nbtor_refined	0.176
r_xyhbond_nbd_refined	0.162
r_mcbond_other	0.128
r_nbtor_other	0.083
r_chiral_restr	0.074
r_bond_refined_d	0.011
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2906
Nucleic Acid Atoms
Solvent Atoms	190
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
SHELXCDE	phasing