Experiment: 2PKW

Crystal structure of UPF0341 protein yhiQ from Salmonella typhimurium, Northeast Structural Genomics Consortium Target StR221

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH UNDER OIL	8	291	2 micro-L of protein solution containing 10 mM Tris-HCl pH 7.5, 100 mM Sodium chloride, 5 mM DTT was mixed with equal volume of 100 mM Tris-HCl pH 8.0, 40% PEG 1000, and 100 mM Magnesium acetate, MICROBATCH UNDER OIL, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
1.99	38.21

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.967	α = 90
b = 70.248	β = 90
c = 77.788	γ = 90

Symmetry
Space Group	P 21 21 21

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 210	mirrors	2007-04-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X12C	0.97880	NSLS	X12C

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	2.1	28.53	99.6	0.068	0.053	28.1	6.6	25710	25710			16.2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.1	2.18	99.5		0.329	0.317	4	6	2532

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 (All)	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	2.1	28.53	2	25710	23015	2152	89	0.209	0.208	0.208	0.2122	0.259	0.2616	RANDOM	32.5

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]
-0.94			4.37		-3.43

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	24.8
c_angle_deg	1.2
c_improper_angle_d	0.85
c_bond_d	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1934
Nucleic Acid Atoms
Solvent Atoms	144
Heterogen Atoms	8

Software

Software
Software Name	Purpose
CNS	refinement
ADSC	data collection
HKL-2000	data reduction
SCALEPACK	data scaling
SnB	phasing
RESOLVE	phasing