2QJF

Crystal structure of ATP-sulfurylase domain of human PAPS synthetase 1

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	298	mother liquor: 10% PEG 10K, 0.1M HEPES pH 7.0; protein solution: 10mg/ml, ATP-sulfurylase, 5mM APS, 25mM TRIS/HCl pH 7.5, 25mM KCl, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.36	47.79

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.1	α = 90
b = 99.9	β = 113
c = 75.9	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	MAR CCD 165 mm		2003-06-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	0.91636501	APS	22-ID

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	20	99.6	0.1	0.068	12.66	3.8	44110	43915			40.27

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)
	2.2	2.3	99.9		0.477	0.41	3.31	3.78	5482

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	1i2d	2.2	20	44110	39520	4395	99.89	0.17332	0.17332	0.16756	0.22451	RANDOM	36.968

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]
-0.35		-1.11	0.01		-0.53

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.94
r_dihedral_angle_4_deg	18.712
r_dihedral_angle_3_deg	16.279
r_dihedral_angle_1_deg	5.858
r_scangle_it	3.176
r_scbond_it	1.922
r_angle_refined_deg	1.425
r_mcangle_it	1.333
r_mcbond_it	0.686
r_nbtor_refined	0.305
r_symmetry_hbond_refined	0.211
r_nbd_refined	0.203
r_xyhbond_nbd_refined	0.197
r_symmetry_vdw_refined	0.184
r_chiral_restr	0.082
r_bond_refined_d	0.01
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6277
Nucleic Acid Atoms
Solvent Atoms	686
Heterogen Atoms	56

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
XDS	data reduction
XSCALE	data scaling
AMoRE	phasing