3IT5

Crystal Structure of the LasA Virulence Factor from Pseudomonas aeruginosa

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7	277	50mM TrisCl 100mM NaCl, pH 7.0, spontaneous crystallization, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.34	47.33

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 105.818	α = 90
b = 34.079	β = 102.04
c = 105.837	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 4		2002-09-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX14.1	1.488	SRS	PX14.1

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	2.01	20	96.4	0.062	11.8	3.2		48468

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	2.01	2.08	90.7		0.119		3	4453

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	MOLECULAR REPLACEMENT	THROUGHOUT	2	10	24166	1194	47.88	0.19	0.186	0.262	RANDOM	7.852

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]
0.2		0.65	-0.47		0.55

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.939
r_dihedral_angle_4_deg	17.838
r_dihedral_angle_3_deg	14.263
r_dihedral_angle_1_deg	6.481
r_angle_refined_deg	1.09
r_scangle_it	1.051
r_scbond_it	0.657
r_mcangle_it	0.448
r_mcbond_it	0.247
r_chiral_restr	0.078
r_bond_refined_d	0.007
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5624
Nucleic Acid Atoms
Solvent Atoms	733
Heterogen Atoms	4

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction