3IT7

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	VAPOR DIFFUSION, HANGING DROP	7	293	sodium potassium tartrate 400mM, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.88	34.73

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 34.964	α = 90
b = 58.838	β = 90
c = 146.438	γ = 90

Symmetry
Space Group	P 21 21 21

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		2003-02-28	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	1.28402, 1.28348, 1.2574	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	2.14	50	100	0.054	14.7	3.7		32280

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	2.14	2.22	100		0.1		3.6	3264

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	MAD	THROUGHOUT	2.14	37.57	17436	882	99.98	0.151	0.149	0.195	RANDOM	8.668

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]
-0.17			0.44		-0.27

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.505
r_dihedral_angle_4_deg	14.293
r_dihedral_angle_3_deg	11.984
r_dihedral_angle_1_deg	6.409
r_scangle_it	2.135
r_scbond_it	1.249
r_angle_refined_deg	1.138
r_mcangle_it	0.823
r_mcbond_it	0.425
r_chiral_restr	0.078
r_bond_refined_d	0.008
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2826
Nucleic Acid Atoms
Solvent Atoms	391
Heterogen Atoms	40

Software

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