1TU1

Crystal Structure of Protein of Unknown Function PA94 from Pseudomonas aeruginosa, Putative Regulator

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	294	Ammonium sulphate, PEG 400, HEPES buffer, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
3.1	60

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 88.247	α = 90
b = 88.247	β = 90
c = 107.071	γ = 90

Symmetry
Space Group	P 43 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	100	CCD	SBC-2		2004-03-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97934	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	1.95	40	99.8	0.052	38.1	9.6		31380

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	1.95	2.01	98.2		0.478	3.52	7.2	2529

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	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	SAD	1.95	40	31379	31379	1581	99.76	0.20527	0.20527	0.20482	0.21	0.23722	0.21	RANDOM	28.423

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]
-0.9			-0.9		1.79

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.76
r_scangle_it	3.778
r_scbond_it	2.211
r_mcangle_it	1.743
r_angle_refined_deg	1.357
r_mcbond_it	0.948
r_angle_other_deg	0.788
r_symmetry_vdw_other	0.298
r_nbd_other	0.258
r_nbd_refined	0.205
r_symmetry_hbond_refined	0.198
r_symmetry_vdw_refined	0.171
r_xyhbond_nbd_refined	0.159
r_nbtor_other	0.081
r_chiral_restr	0.076
r_bond_refined_d	0.012
r_gen_planes_refined	0.006
r_gen_planes_other	0.003
r_bond_other_d	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_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	2332
Nucleic Acid Atoms
Solvent Atoms	286
Heterogen Atoms	45

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SHELXD	phasing
SOLVE	phasing