3NA8

Crystal Structure of a putative dihydrodipicolinate synthetase from Pseudomonas aeruginosa

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7	293	17% PEG6000, 0.4M Malic Acid, pH 7.0, VAPOR DIFFUSION, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.34	47.38

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 107.37	α = 90
b = 156.21	β = 90
c = 76.58	γ = 90

Symmetry
Space Group	P 21 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 210r		2006-10-08	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-ID	0.97937	APS	17-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	1.85	48.73	96.5	0.1044	0.0556	11.89	7.27	125665	106856

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)
1	1.85	1.94	90.9		0.7143	0.5008	1.99	6.78	13416

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	1.85	43.06	101217	5334	96.33	0.23674	0.23498	0.26972	RANDOM	27.413

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]
0.04			-0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.894
r_dihedral_angle_4_deg	11.693
r_dihedral_angle_3_deg	10.739
r_dihedral_angle_1_deg	6.497
r_scangle_it	0.719
r_angle_refined_deg	0.527
r_scbond_it	0.403
r_mcangle_it	0.366
r_mcbond_it	0.195
r_chiral_restr	0.036
r_bond_refined_d	0.002
r_gen_planes_refined	0.002
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
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	8846
Nucleic Acid Atoms
Solvent Atoms	829
Heterogen Atoms	31

Software

Software
Software Name	Purpose
ADSC	data collection
SHARP	phasing
REFMAC	refinement
XDS	data reduction
XDS	data scaling