Experiment: 3JV9

The structure of a reduced form of OxyR from N. meningitidis

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		294	20% PEG 3350, 0.2M calcium acetate, 0.2mM TCEP, VAPOR DIFFUSION, SITTING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.23	44.79

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.813	α = 90
b = 56.075	β = 104.91
c = 81.247	γ = 90

Symmetry
Space Group	P 1 21 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	MARMOSAIC 225 mm CCD		2006-07-19	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14	0.9785, 0.9070	ESRF	BM14

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	96.8	0.129	18.4	6.9		16661		-1.5	36.8

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	76.1		0.554	2.6	4.6	1280

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	MAD	THROUGHOUT	2.39	29.798	1.92	32077	1617	95.45	0.2274	0.2241	0.2198	0.2857	0.2785	RANDOM	53.436

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]
36.179		10.305	-19.402		-16.777

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	17.983
f_angle_d	1.331
f_chiral_restr	0.082
f_bond_d	0.009
f_plane_restr	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3251
Nucleic Acid Atoms
Solvent Atoms	95
Heterogen Atoms	2

Software

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