1ZUN

Crystal Structure of a GTP-Regulated ATP Sulfurylase Heterodimer from Pseudomonas syringae

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	295	PEG 4000, tris hydrochloric acid, sodium acetate, guanosine diphosphate, 5'-adenyly-diphosphate-monothiophosphate, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.34	47.45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 110.072	α = 90
b = 110.072	β = 90
c = 171.002	γ = 120

Symmetry
Space Group	H 3

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	95	CCD	ADSC QUANTUM 210	MIRRORS	2004-08-29	M	MAD
2	1	x-ray		M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1	0.9184, 0.9793	ALS	8.2.1
2	SYNCHROTRON	ALS BEAMLINE 8.2.1	0.9794	ALS	8.2.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.7	50	0.154	0.066	0.066	16.07	5.8		21160	2	2	55.835

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)
	2.7	2.8	98.5		0.346	0.346	2.84	5.2	4101

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	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	2.7	20	2	2	20020	1091	100	0.22439	0.22162	0.27617	RANDOM	42.103

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]
1.29	0.64		1.29		-1.93

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.056
r_dihedral_angle_3_deg	17.281
r_dihedral_angle_4_deg	15.336
r_dihedral_angle_1_deg	5.285
r_angle_refined_deg	1.059
r_scangle_it	0.981
r_scbond_it	0.579
r_mcangle_it	0.463
r_nbtor_refined	0.3
r_mcbond_it	0.245
r_nbd_refined	0.194
r_symmetry_vdw_refined	0.177
r_metal_ion_refined	0.158
r_xyhbond_nbd_refined	0.146
r_symmetry_hbond_refined	0.128
r_chiral_restr	0.071
r_bond_refined_d	0.005
r_gen_planes_refined	0.003
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4688
Nucleic Acid Atoms
Solvent Atoms	87
Heterogen Atoms	61

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SOLVE	phasing