2HTI

CRYSTAL STRUCTURE OF A FLAVIN-NUCLEOTIDE-BINDING PROTEIN (BH_0577) FROM BACILLUS HALODURANS AT 2.50 A RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1			293	22.0% PEG-3350, 0.15M NaThioCyanate, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.43	63.88

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.17	α = 90
b = 72.17	β = 90
c = 129.981	γ = 120

Symmetry
Space Group	P 61 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	MARMOSAIC 325 mm CCD	Flat collimating mirror, toroid focusing mirror	2006-06-05	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.92522,0.97934	SSRL	BL9-2

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	2.3	28.831	99.7	0.098	0.098	5.2	13.6		7389

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)
1	2.42	2.48	99.7		0.015	0.01507	0.5	14.4	586

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	MAD	THROUGHOUT	2.5	28.831	7389	346	99.42	0.21	0.208	0.262	RANDOM	57.979

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]
1.55	0.78		1.55		-2.33

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.433
r_dihedral_angle_3_deg	14.91
r_dihedral_angle_4_deg	12.38
r_dihedral_angle_1_deg	8.53
r_scangle_it	7.111
r_scbond_it	4.713
r_mcangle_it	3.345
r_mcbond_it	1.741
r_angle_refined_deg	1.547
r_angle_other_deg	0.675
r_mcbond_other	0.237
r_nbd_refined	0.225
r_nbd_other	0.217
r_xyhbond_nbd_refined	0.207
r_nbtor_refined	0.205
r_symmetry_vdw_other	0.183
r_symmetry_vdw_refined	0.155
r_symmetry_hbond_refined	0.152
r_nbtor_other	0.093
r_chiral_restr	0.076
r_bond_refined_d	0.012
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	943
Nucleic Acid Atoms
Solvent Atoms	20
Heterogen Atoms	54

Software

Software
Software Name	Purpose
MolProbity	model building
SHELX	phasing
REFMAC	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
MOSFLM	data reduction
CCP4	data scaling
SOLVE	phasing