3DAH

2.3 A crystal structure of ribose-phosphate pyrophosphokinase from Burkholderia pseudomallei

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	5.9	289	20% PEG 3350, 0.2M Magnesium formate, pH 5.9, VAPOR DIFFUSION, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.3	46.55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.966	α = 90
b = 123.242	β = 90
c = 197.364	γ = 90

Symmetry
Space Group	I 2 2 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	MARMOSAIC 300 mm CCD	ADJUSTABLE FOCUSING MIRRORS	2008-04-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	1.00000	APS	23-ID-D

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	2.3	50	98	0.09	7.9	6		41722

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	2.3	2.38	87.1		0.49		4.4	3648

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1DKU	2.3	46.93	41695	2110	97.87	0.208	0.206	0.255	RANDOM	48.513

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]
0.7			-1.11		0.41

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.727
r_dihedral_angle_4_deg	18.849
r_dihedral_angle_3_deg	16.779
r_dihedral_angle_1_deg	6.432
r_scangle_it	2.1
r_angle_refined_deg	1.324
r_scbond_it	1.254
r_mcangle_it	0.894
r_mcbond_it	0.519
r_nbtor_refined	0.299
r_nbd_refined	0.197
r_symmetry_vdw_refined	0.188
r_symmetry_hbond_refined	0.178
r_xyhbond_nbd_refined	0.141
r_chiral_restr	0.09
r_bond_refined_d	0.009
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6637
Nucleic Acid Atoms
Solvent Atoms	138
Heterogen Atoms	104

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345	data collection