2NNN

Crystal structure of probable transcriptional regulator from Pseudomonas aeruginosa

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	289	0.2M Ammonium sulfate, 0.1M Sodium acetate pH4.6, 23% PEG 4000, 0.6M PPS, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
3.27	62.38

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 89.373	α = 90
b = 89.373	β = 90
c = 217.238	γ = 120

Symmetry
Space Group	P 31

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	CUSTOM-MADE		2006-06-05	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-BM	0.97914, 0.97928	APS	19-BM

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	50	98.6	0.11	16.03	5.2	75992	75944		-3

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	2.49	99.9		0.568	2.26	5.2	7640

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	34.14	71218	71218	3767	98.55	0.22056	0.22056	0.21834	0.26222	RANDOM	47.341

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]
2.69	1.34		2.69		-4.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.378
r_dihedral_angle_3_deg	18.895
r_dihedral_angle_4_deg	16.213
r_dihedral_angle_1_deg	5.523
r_scangle_it	2.505
r_scbond_it	1.469
r_angle_refined_deg	1.279
r_mcangle_it	0.843
r_mcbond_it	0.514
r_nbtor_refined	0.288
r_symmetry_hbond_refined	0.247
r_symmetry_vdw_refined	0.23
r_nbd_refined	0.208
r_xyhbond_nbd_refined	0.159
r_chiral_restr	0.081
r_bond_refined_d	0.01
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	10024
Nucleic Acid Atoms
Solvent Atoms	482
Heterogen Atoms

Software

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