3BQ9

Crystal structure of predicted nucleotide-binding protein from Idiomarina baltica OS145

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	294	100mM Hepes pH 7.5, 2M Ammonium sulfate, 10% Glycerol, VAPOR DIFFUSION, SITTING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.36	47.92

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 98.415	α = 90
b = 171.857	β = 90
c = 57.362	γ = 90

Symmetry
Space Group	P 21 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	77	CCD	MAR CCD 165 mm		2007-12-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID	0.97961	APS	31-ID

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	1.75	50	92.3	0.157	0.105	3.7	4.2		100102		-0.5	17.05

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	1.75	1.81	87.8		0.81	0.7	3.6

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	SAD	THROUGHOUT	1.8	20	83014	2602	94.18	0.21152	0.20963	0.27128	RANDOM	24.838

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]
1.15			-0.47		-0.68

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.006
r_dihedral_angle_4_deg	18.261
r_dihedral_angle_3_deg	14.949
r_scangle_it	7.615
r_scbond_it	5.385
r_dihedral_angle_1_deg	5.265
r_mcangle_it	4.268
r_mcbond_it	3.184
r_angle_refined_deg	1.196
r_nbtor_refined	0.301
r_xyhbond_nbd_refined	0.176
r_symmetry_hbond_refined	0.166
r_nbd_refined	0.159
r_symmetry_vdw_refined	0.108
r_chiral_restr	0.082
r_bond_refined_d	0.009
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6976
Nucleic Acid Atoms
Solvent Atoms	602
Heterogen Atoms	52

Software

Software
Software Name	Purpose
SHELX	model building
REFMAC	refinement
MAR345	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SHELX	phasing