3M84 | pdb_00003m84

Crystal Structure of Phosphoribosylaminoimidazole Synthetase from Francisella tularensis

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	289	0.2M Litium Sulfate; 0.1M Tris pH 7.0; 2M Ammonium Sulfate, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.18	43.57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.708	α = 90
b = 90.56	β = 90
c = 118.989	γ = 90

Symmetry
Space Group	P 21 21 21

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 210r	Mirrors	2010-02-21	M	SAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-BM	0.97915	APS	19-BM

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.699	50	96.7	0.076	18.3	3.6	72851	72851			17.14

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.699	1.73	75.3		0.23	4.3	2.2	2798

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 (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.699	28.751	72676	72676	3669	96.45	0.155	0.154	0.1503	0.183	0.179	random	23

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]
2.1124			-1.5902		-0.5222

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	18.004
f_angle_d	1.208
f_chiral_restr	0.088
f_bond_d	0.009
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5324
Nucleic Acid Atoms
Solvent Atoms	816
Heterogen Atoms	119

Software

Software
Software Name	Purpose
SBC-Collect	data collection
HKL-3000	data collection
HKL-3000	phasing
SHELX	model building
MLPHARE	phasing
DM	model building
SOLVE	phasing
RESOLVE	model building
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
SHELX	phasing
DM	phasing
RESOLVE	phasing