3CIT

Crystal structure of the GAF domain of a putative sensor histidine kinase from Pseudomonas syringae pv. tomato

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	289	0.1M Bis-Tris propane pH 7.0, 1.5M Ammonium sulfate, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
3.23	61.96

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 107.471	α = 90
b = 107.471	β = 90
c = 67.698	γ = 120

Symmetry
Space Group	P 32 2 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	CUSTOM-MADE		2007-10-07	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-BM	0.9793, 0.9795	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	1.9	50	99.3	0.062	10.9	11	35808	35808		-3	27.6

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	1.94	99.4		0.507	4	10.9	2357

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	1.9	31.22	35273	35273	1760	98.51	0.167	0.167	0.165	0.2	RANDOM	21.534

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]
0.75	0.38		0.75		-1.13

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.471
r_dihedral_angle_4_deg	21.861
r_dihedral_angle_3_deg	12.816
r_dihedral_angle_1_deg	5.262
r_scangle_it	3.638
r_scbond_it	2.491
r_mcangle_it	1.541
r_angle_refined_deg	1.424
r_mcbond_it	1.24
r_angle_other_deg	0.964
r_symmetry_hbond_refined	0.3
r_mcbond_other	0.253
r_symmetry_vdw_other	0.221
r_nbd_refined	0.209
r_nbd_other	0.206
r_symmetry_vdw_refined	0.203
r_nbtor_refined	0.164
r_xyhbond_nbd_refined	0.141
r_chiral_restr	0.091
r_nbtor_other	0.086
r_bond_refined_d	0.015
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	2310
Nucleic Acid Atoms
Solvent Atoms	324
Heterogen Atoms	68

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MLPHARE	phasing
DM	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
HKL-3000	phasing
SHELXD	phasing
SHELXE	model building
SOLVE	phasing
RESOLVE	phasing
ARP/wARP	model building
CCP4	phasing
O	model building
Coot	model building