2IG8

Crystal structure of a Protein of Unknown Function PA3499 from Pseudomonas aeruginosa

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	298	0.1M Tris-HCl, 3.5M Sodium formate, 4% MPD, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
3.6	65.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 100.191	α = 90
b = 100.191	β = 90
c = 131.682	γ = 90

Symmetry
Space Group	P 41 2 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	ADSC QUANTUM 315	mirrors	2005-11-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97980	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	1.9	50	99.39	0.116	19.1	9.3		50367		2	20

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	1.9	1.95	95.5		0.61	1.5	5.3	3868

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	SAD	THROUGHOUT	1.9	42.41	50676	50367	2699	99.39	0.17878	0.17878	0.17768	0.19898	RANDOM	19.854

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]
0.4			0.4		-0.8

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.037
r_dihedral_angle_4_deg	24.372
r_dihedral_angle_3_deg	15.402
r_dihedral_angle_1_deg	7.361
r_scangle_it	3.24
r_scbond_it	2.274
r_angle_refined_deg	1.428
r_mcangle_it	1.083
r_mcbond_it	0.942
r_angle_other_deg	0.934
r_symmetry_vdw_other	0.246
r_symmetry_hbond_refined	0.217
r_nbd_refined	0.212
r_xyhbond_nbd_refined	0.204
r_nbd_other	0.201
r_mcbond_other	0.177
r_nbtor_refined	0.169
r_symmetry_vdw_refined	0.122
r_nbtor_other	0.089
r_chiral_restr	0.08
r_bond_refined_d	0.013
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3186
Nucleic Acid Atoms
Solvent Atoms	476
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-2000	data reduction
HKL-2000	data scaling
HKL-3000	phasing
SHELXE	model building
SOLVE	phasing
RESOLVE	phasing
ARP/wARP	model building