Experiment: 6E12

Crystal Structure of the Alr8543 protein in complex with Oleic Acid and magnesium ion from Nostoc sp. PCC 7120, Northeast Structural Genomics Consortium Target NsR141

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	5	277	Protein solution: 100mM NaCl, 5mM DTT, 0.02% NaN3, 10mM Tris-HCl (pH 7.5). Reservoir solution: 100mM Citric Acid (pH 5) and 1.6M (NH4)2SO4, microbatch under oil, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
5.2	76

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 113.308	α = 90
b = 112.918	β = 90
c = 167.766	γ = 90

Symmetry
Space Group	I 2 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	MAR CCD 165 mm	mirrors	2009-10-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4C	0.97885	NSLS	X4C

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	37.536	92.75	0.056	19.1	2.6		39307			39.6

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	2.4	2.49	96.6		0.25	3.6	2.6

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)	Mean Isotropic B
X-RAY DIFFRACTION	SAD	FREE R-VALUE	2.4	37.536	1.33	39307	3931	92.75	0.1743	0.1715	0.1748	0.199	0.201

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	20.272
f_angle_d	0.913
f_chiral_restr	0.05
f_bond_d	0.008
f_plane_restr	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3364
Nucleic Acid Atoms
Solvent Atoms	211
Heterogen Atoms	43

Software

Software
Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
SHELX	phasing