3E98

CRYSTAL STRUCTURE OF a GAF domain containing protein that belongs to Pfam DUF484 family (PA5279) FROM PSEUDOMONAS AERUGINOSA AT 2.43 A RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	277	0.2000M Ca(OAc)2, 10.0000% PEG-8000, 0.1M Imidazole pH 8.0, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 277K, VAPOR DIFFUSION, SITTING DROP

Crystal Properties
Matthews coefficient	Solvent content
2.43	49.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.841	α = 90
b = 88.114	β = 107.92
c = 60.963	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	MARMOSAIC 325 mm CCD	Flat collimating mirror, toroid focusing mirror	2008-01-13	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.91837,0.97975	SSRL	BL9-2

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	2.43	29.412	99.8	0.074	7.038	3.7		20453			59.268

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.43	2.49	99.8		0.689	0.689	1.1	3.8

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	2.43	29.412	20436	1044	99.7	0.214	0.211	0.27	RANDOM	53.003

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]
-0.85		-0.36	-1.13		1.76

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	26.503
r_dihedral_angle_4_deg	16.537
r_dihedral_angle_3_deg	13.424
r_scangle_it	6.489
r_scbond_it	4.548
r_dihedral_angle_1_deg	3.888
r_mcangle_it	2.794
r_mcbond_it	1.595
r_angle_refined_deg	1.202
r_angle_other_deg	0.852
r_symmetry_vdw_other	0.338
r_mcbond_other	0.266
r_nbd_refined	0.202
r_xyhbond_nbd_refined	0.182
r_nbd_other	0.177
r_nbtor_refined	0.166
r_symmetry_vdw_refined	0.126
r_nbtor_other	0.086
r_symmetry_hbond_refined	0.069
r_chiral_restr	0.065
r_bond_refined_d	0.011
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2687
Nucleic Acid Atoms
Solvent Atoms	75
Heterogen Atoms	12

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
SCALA	data scaling
PDB_EXTRACT	data extraction
MOSFLM	data reduction
autoSHARP	phasing
SHELXD	phasing