3Q08

Crystal Structure of Chlorite Dismutase from D. Aromatica at pH 6.5

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	16% PEG 8000, 200mM CaAc2, 25mM NaNO2, 100mM MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298 K, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
2.73	54.92

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 122.704	α = 90
b = 202.85	β = 90
c = 247.103	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 315		2007-11-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	1.00	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	3.05	50	99.3	0.105		7.6	117022	117263	1	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)
	3.05	3.1	97.2		0.348	4.682	6.7

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	Phaser	THROUGHOUT	3.05	46.91	110579	5833	99.34	0.18037	0.17822	0.22079	RANDOM	33.44

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]
			0.01		-0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.473
r_dihedral_angle_4_deg	20.015
r_dihedral_angle_3_deg	18.475
r_dihedral_angle_1_deg	7.114
r_scangle_it	2.584
r_angle_refined_deg	1.723
r_scbond_it	1.521
r_mcangle_it	1.064
r_mcbond_it	0.544
r_chiral_restr	0.107
r_bond_refined_d	0.017
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	38560
Nucleic Acid Atoms
Solvent Atoms	20
Heterogen Atoms	1180

Software

Software
Software Name	Purpose
SBC-Collect	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling