3OBB

Crystal structure of a possible 3-hydroxyisobutyrate Dehydrogenase from pseudomonas aeruginosa pao1

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.4	293	4M AMMONIUM ACETATE, 0.1M SODIUM ACETATE, PH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.44	49.66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 92.611	α = 90
b = 92.611	β = 90
c = 124.86	γ = 120

Symmetry
Space Group	P 62 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	ADSC QUANTUM 315	Mirrors	2006-03-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97921	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	2.2	30.32	99.7	0.116	32.6	10.5		16608

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	2.2	2.28	100		0.747	3.56	10.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	none	2.2	30.32	16532	15695	837	99.57	0.19908	0.19653	0.24774	RANDOM	47.008

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]
-0.03	-0.02		-0.03		0.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	44.332
r_dihedral_angle_4_deg	21.4
r_dihedral_angle_3_deg	19.724
r_dihedral_angle_1_deg	6.974
r_scangle_it	3.063
r_scbond_it	2.382
r_angle_refined_deg	1.649
r_mcangle_it	1.235
r_mcbond_it	0.805
r_nbtor_refined	0.305
r_nbd_refined	0.22
r_symmetry_vdw_refined	0.212
r_xyhbond_nbd_refined	0.137
r_symmetry_hbond_refined	0.12
r_chiral_restr	0.115
r_bond_refined_d	0.015
r_gen_planes_refined	0.006
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	2135
Nucleic Acid Atoms
Solvent Atoms	78
Heterogen Atoms	31

Software

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