2GJV

Crystal Structure of a Protein of Unknown Function from Salmonella typhimurium

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.3	295	0.2 M Calcium Chloride dihydrate, 0.25 Sodium Chloride, 0.01 M TRIS-HCL, 20%w/v PEG3350, pH 8.3, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 134.137	α = 90
b = 76.995	β = 109.25
c = 85.112	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 QUANTUM 315	Mirrors	2006-02-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	1.00882	APS	19-ID

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	2.39	30	94	0.071	16.3	3.4	30366	30366		-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	2.39	2.49	93.8		0.116	9.7	3	3023

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SIRAS	THROUGHOUT	2.39	27.9	28845	1520	93.46	0.17194	0.16788	0.24883	RANDOM	29.096

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]
-0.69		-0.09	-0.66		1.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.781
r_dihedral_angle_4_deg	15.505
r_dihedral_angle_3_deg	11.527
r_dihedral_angle_1_deg	3.302
r_scangle_it	3.22
r_scbond_it	2.061
r_angle_refined_deg	1.576
r_mcangle_it	1.151
r_mcbond_it	0.728
r_nbtor_refined	0.307
r_symmetry_hbond_refined	0.269
r_xyhbond_nbd_refined	0.192
r_nbd_refined	0.183
r_symmetry_vdw_refined	0.159
r_metal_ion_refined	0.105
r_chiral_restr	0.1
r_symmetry_metal_ion_refined	0.057
r_bond_refined_d	0.01
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6348
Nucleic Acid Atoms
Solvent Atoms	609
Heterogen Atoms	14

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
HKL-2000	data scaling
PHENIX	phasing
SHARP	phasing