Experiment: 3OXN

The crystal structure of a putative transcriptional regulator from Vibrio parahaemolyticus

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	277	1.8 M Ammonia Sulfate, 1 M MES pH6.5, 10 mM Cobalt Chloride hexahydrate, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.44	49.62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.316	α = 86.19
b = 50.488	β = 82.89
c = 108.116	γ = 86.74

Symmetry
Space Group	P 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	2010-09-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A	0.9789	NSLS	X29A

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	92.5	0.116	8.7	3.9		38304

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	2.49	71.3		0.475	1.9	3.3	2923

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	SAD	THROUGHOUT	2.7	38.906	0.01	27017	1364	93.55	0.2479	0.2455	0.2421	0.2899	0.2848	RANDOM	42.33

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]
-8.7166	-7.6067	-6.6116	0.8117	3.5827	7.9049

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	20.686
f_angle_d	1.3
f_chiral_restr	0.085
f_bond_d	0.009
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6790
Nucleic Acid Atoms
Solvent Atoms	82
Heterogen Atoms	5

Software

Software
Software Name	Purpose
CBASS	data collection
SHELXS	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling