3HID

Crystal structure of adenylosuccinate synthetase from Yersinia pestis CO92

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	289	0.2M Ammonium sulfate, 30% w/v PEG 8000, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.5	50.74

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.903	α = 90
b = 68.903	β = 90
c = 199.166	γ = 90

Symmetry
Space Group	P 43 21 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 315r	mirrors	2008-11-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.9794	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	1.6	56.7	99.72	0.092	35.46	12.7	60980	60809		2

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)
	1.6	1.642	98.24		0.394	3.2	7.7	4655

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	SAD	THROUGHOUT	1.6	56.7	60809	3235	99.72	0.16213	0.16022	0.19756	RANDOM	14.996

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]
0.02			0.02		-0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.88
r_dihedral_angle_4_deg	21.436
r_dihedral_angle_3_deg	12.041
r_sphericity_free	6.8
r_dihedral_angle_1_deg	6.489
r_scangle_it	4.745
r_sphericity_bonded	3.415
r_scbond_it	3.397
r_mcangle_it	2.227
r_rigid_bond_restr	1.738
r_angle_refined_deg	1.661
r_mcbond_it	1.424
r_angle_other_deg	0.975
r_mcbond_other	0.614
r_chiral_restr	0.098
r_bond_refined_d	0.017
r_gen_planes_refined	0.008
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3278
Nucleic Acid Atoms
Solvent Atoms	651
Heterogen Atoms	9

Software

Software
Software Name	Purpose
SBC-Collect	data collection
HKL-3000	phasing
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling