2HR3

Crystal structure of putative transcriptional regulator protein from Pseudomonas aeruginosa PA01 at 2.4 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	296.2	0.2M di-Ammonium hydrogen citrate, 20% PEG 3350, 500mM Sodium chloride, 10mM HEPES pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 296.2K

Crystal Properties
Matthews coefficient	Solvent content
2.3	45.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.251	α = 90
b = 72.281	β = 101.43
c = 70.043	γ = 90

Symmetry
Space Group	P 1 21 1

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		2006-01-16	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97954, 0.97970	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	2.4	68.68	99.4	0.085	31.3	8.2	23086	22942

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	2.4	2.42	98.7		0.54	2.2	7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation 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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.4	50	23086	21763	1179	99.41	0.21191	0.21191	0.20813	0.28021	RANDOM	59.554

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]
0.79		-0.57	1.05		-2.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.597
r_dihedral_angle_4_deg	21.234
r_dihedral_angle_3_deg	19.199
r_dihedral_angle_1_deg	7.587
r_scangle_it	3.793
r_scbond_it	2.402
r_angle_refined_deg	1.849
r_mcangle_it	1.679
r_mcbond_it	1.167
r_angle_other_deg	0.967
r_symmetry_vdw_refined	0.275
r_symmetry_vdw_other	0.239
r_mcbond_other	0.228
r_nbd_refined	0.226
r_nbd_other	0.196
r_xyhbond_nbd_refined	0.178
r_nbtor_refined	0.176
r_symmetry_hbond_refined	0.151
r_chiral_restr	0.106
r_nbtor_other	0.095
r_bond_refined_d	0.021
r_gen_planes_refined	0.007
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4084
Nucleic Acid Atoms
Solvent Atoms	58
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
HKL-3000	phasing
SHELXD	phasing
SHELXE	model building
MLPHARE	phasing
DM	phasing
SOLVE	phasing
RESOLVE	phasing
ARP/wARP	model building
CCP4	phasing
O	model building
Coot	model building